Kalin saidTurkey expects all parties to make "constructive" contributions and agree on a political solution on Syria.
The preparations came as Russian jets and Syrian helicopters on Monday resumed intensive strikes in Idlib and Hama for a third day, with sources saying the Syrian army helicopters were dropping barrel bombs.
Three Turkish security and government officials told Reuters that troops, armoured vehicles and equipment had been sent to the Syrian border.
Russia-backed government forces have been massing for weeks around Idlib, which is home to almost three million people, many of them already dependent on aid.
The UN's World Food Programme, he said had already prepositioned food stocks for some 850,000 people for the first week or so of any large-scale military operation. He also stressed the need to prevent civilian casualties.
"We are very actively preparing for the possibility that civilians move in huge numbers in multiple directions", he said.
A full-scale military offensive on Idlib risks creating the worst humanitarian tragedy of the 21st century, United Nations aid agencies have said, amid concerns that a severe funding shortfall threatens the most vulnerable victims of the conflict.
Turkey, fearing an influx of refugees in the event of a major assault, has repeatedly warned against a "massacre" in this last stronghold of the Syrian opposition.
Bolton to ICC Judges: Go After US, and You'll Pay
Palestinian foreign minister Riyad al-Malki visited the ICC in May and called on it to open an immediate investigation. Similar measures would be taken against any company or state that assists an ICC investigation of Americans, he said.
But officials admit that the wall has left those stranded in Idlib with little prospect of escape.
Damascus, which is backed by its allies Iran and Russian Federation, is preparing a major offensive on Idlib and other areas of northwest Syria to bring them under regime control.
Turkish forces and Turkish-backed opposition fighters now control an area between Afrin and Jarabulus where Ankara had hoped to resettle the millions of refugees.
There were also attacks from Idlib province on a Russian air base and on Syrian government positions, which made the situation untenable.
The province is marbled with areas controlled by Islamists, moderate rebels and militants from Hayat Tahrir Al Sham HTS - an extremist group previously aligned with Al Qaeda.
Turkey has continued to provide humanitarian relief to opposition areas in Idlib and Latakia - situated in Syria's north - and operates a number of military observation posts in the province. Since then, more than a quarter of a million people have been killed and more than 10 million displaced across the war-battered country, according to United Nations figures.
Use of the incendiary white phosphorus munitions in highly populated areas, such as Deir Ezzor where the purported strikes took place, is prohibited under global law. Let's stop this civil war in Idlib.
The iPhone XS has the same 5.8in-sized component as the original, while iPhone XR's screen is 6.1in but is lower quality. You get a 12MP main sensor, and another 12MP telephoto lens, with new lenses, that are supposedly better than before.
He wrote that he wanted to help "people in the here and now - short term - at the intersection of urgent need and lasting impact". Demonising the media and calling them "the enemies of the people" is risky , Bezos said. "We're going to push through this".
Herald Sun editor Damon Johnston said in a statement Tuesday that Mark Knight's cartoon "had nothing to do with gender or race". The caricature was published alongside unflattering cartoons of US President Donald Trump and North Korean Leader Kim Jong-un.
Just three days after her wedding, she and Harry attended a garden party in celebration of Prince Charles upcoming 70 birthday. Just this week, Meghan's sister Samantha took to Twitter to coin a nasty schoolyard nickname for her and attack her yet again.
The photos in Gerst's post capture Florence mid-churn, winds up to 130 miles per hour whipping around the storm's eye. Evacuating institutionalized people ahead of a storm is always a challenge, but failing to do so can prove deadly.
Osaka, 20, told The Ellen Show she was taught not to pay attention if her opponent got angry, so she could stay focused. And then before I knew it, I was getting all of this hostile mail and all of that during my last couple of years.
The latest GFS model shows Florence staying just offshore, bringing massive amounts of rain and heavy winds to the coast. Hawaii is bracing for Tropical Storm Olivia, which could reach the Pacific island by Wednesday, KHNL reported .
And if you see any of the photos from tonight's event - you see Cardi missing a shoe as well as a very visible knot on her head. The fight broke out after Minaj allegedly said something about Cardi's daughter.
Israel says Khan al-Ahmar was illegally built and has offered to resettle residents 12 kilometers (7 miles) away. Palestinian President Mahmoud Abbas has already rejected the plan, saying the U.S.is not an honest broker.
That was the last time Nirav, who is wanted in the Rs 13,000-crore Punjab National Bank loan fraud, was seen in public. Jaitley said Mallya "misused" the privilege of being a Rajya Sabha MP to catch him in corridors of Parliament.
A former professional umpire has opened up about why officials are so furious after Serena Williams' US Open blow-up. She also admitted the toll that competitive sports have on your mental health.
Germany retirement can help Ozil - Emery
Chief executive Ivan Gazidis' future looks less certain, though, with AC Milan having re-opened negotiations with him . Without these kind of individuals it becomes so much harder for Newcastle to win any match. "Here he has played both".
Aaron Rodgers: One Day At A Time
Vikings head coach Mike Zimmer was not shy about the fact his team will be preparing for the future Hall of Fame quarterback. Wearing a brace could be an option, depending on how the quarterback feels later in the week.
The Only Loser at Apple’s Latest Event Is Your Wallet
For folks who follow Apple's naming conventions: It's an "S" upgrade, Apple's every-other-year cycle for big new launches. The iPhone XR starts at $749 for 64GB of storage; the iPhone XS at $999; and the iPhone XS Max at $1099.
Sweden faces political deadlock after far-right gains
In 2017 the far-right Alternative for Germany won 12.6 percent of votes, and The Danish People's Party won 21 percent in 2015. All traditional parties have shunned cooperation with Sweden Democrats, which makes the government formation unusually hard .
Trump tells Apple to move plants from China to US
President Trump has now broached the full monte, threatening to impose tariffs on essentially every product imported from China. China plans to tax an additional $60 billion in U.S. products if the Trump administration expands its hit list by $200 billion.