The boat had been heading for the Greek island of Lesbos, reportedly taking a new route to avoid "intensified security measures to prevent migrant crossings."
A 56-foot boat packed with more than 100 migrants sank shortly after departing Turkey for the island of Lesbos, just a few miles away. At least 10 children, including four toddlers or infants, died.
Most Syrian refugees are children, and many have lost parents. One result is a huge demand for the few places available in orphanages that have been set up in neighboring Turkey.
Turkey's army and Kurdish factions are battling regularly in the southeast part of the country, displacing thousands. The resumption of fighting has largely been overshadowed by regional turmoil.
The attackers were targeting Ankara, according to the chief prosecutor's office, two months after a pair of suicide blasts killed more than 100 people at a peace rally.
ISIS "is posing a threat to everyone," Russian President Vladimir Putin says. At his year-end news conference, Putin also said FIFA's Sepp Blatter should win the Nobel Peace Prize.
The Russian Defense Ministry said it used small arms fire after the Turkish ship failed to change course despite visual signals and flares. Russia summoned Turkey's military attaché over the incident.
"Terrorists in Syria pose a special threat," Putin says. "Many people there are from Russia, and if they win in Syria, sooner or later they will come to Russia as well."
Russia has previously alleged Turkish involvement in illegal oil trade with Islamist militants. Now Russian military officials are claiming that President Recep Tayyip Erdogan is personally involved.
In a press conference in Paris, Obama said that climate change is probably the hardest kind of problem for politicians to solve, yet despite the hurdles, he's optimistic.