This Google Earth grab shows the Kasab border crossing between Syria and Turkey 23 March 2014
Last updated at 09:11 ET
Turkey's Prime Minister Recep Tayyip Erdogan (click here) says its armed forces have shot down a Syrian military jet which had violated its airspace.
Hundreds of thousands have fled Syria for Turkey to escape the three-year uprising against President Assad.
More than 100,000 people have been killed since the Syrian conflict began.
According to UN figures, 6.5 million Syrians have been displaced by the civil war, and 2.5 million are registered as refugees. Lebanon has taken the highest number of refugees, followed by Jordan and Turkey.
Mr Erdogan congratulated his air force on its actions on Sunday....
HATİCE KUBRA KULA
İSTANBUL
...Now a photo exhibition (click here) in İstanbul tries to draw attention to this situation by inviting its visitors to take a close look at the current lives and the past stories of a group of these Syrian people who have been trying to hold on to life Turkey as the Syrian war has entered its fourth year.
On display until March 29 at Beyoğlu Cezayir, the exhibition “The Guest” is a joint effort between Kerem Yücel, Atlas magazine's photography editor, and Serdar Korucu, an editor with CNN Türk, who came together as part of a campaign launched by the İstanbul-based nongovernmental organization Hayata Destek (Support to Life) to help Syrian citizens seeking shelter outside of the refugee camps in Turkey. In the exhibition, Yücel's photos of the Syrians to which Hayata Destek has provided aid are accompanied by texts about their lives, fears and hopes penned by Korucu.
The exhibition refrains from labeling the Syrian citizens and embraces them with the utmost kindness of a generous host. “We neither represented one side nor preferred to be impartial while portraying the lives of these people. … We tried to address those who observe the Syrians," Yücel told Sunday's Zaman in a written interview....
