The UN's refugee agency says that land mines pose a threat to children who have been going out to collect grass to eat in the besieged Syrian town of Madaya.
Turkey's President Recep Tayyip Erdogan says that the blast in Istanbul this morning was carried out by a suicide bomber of Syrian origin, Hurriyet reports.
A Norwegian man was among those injured in the blast at Sultanahmet this morning, says Reuters' Ece Toksabay.
There are some horrifying eye witness accounts coming out of Istanbul following this morning's blast.
Witnesses told CNN Turk that the explosion had taken place at the heart of Sultanahmet district, close to an ancient obelisk, and that several people had been seen on the ground after the attack.
Erdem Koroglu, a worker at a nearby office, told the television station NTV that he saw several people on the ground after the blast.
“It was difficult to say who was alive or dead,” Mr. Koroglu said. “Buildings rattled from the force of the explosion.”
Turkish security officials are now saying there's a high probability that IS is responsible for this morning's explosion in Istanbul.
Turkish security authorities believe an "IS-linked suicide bomber" was behind the explosion in Sultanahmet, Hurriyet has reported.
Hurriyet says the authorities are focussing on IS links because tourists and civilians were targeted in a major tourist area.
Video footage shows the aftermath of this morning's explosion at Istanbul's historic Sultanahmet district.
Here is a summary of this morning's events in Istanbul's central Sultanahmet Square:
- An explosion occurred in Sultanahmet Square at around 10:20 local time this morning.
- Ten people have been killed and 15 more are reported injured, the Istanbul governor's office says
- The explosion happened in a major tourist area close to Istanbul's Blue Mosque and Hagia Sophia.
- No one has claimed responsibility for the explosion and there is speculation that it could have been a suicide bombing.
- Turkey imposed a temporary media ban on reporting from the area.
- Germans, a Norwegian and a Peruvian are among those injured.
- Germany's Foreign Ministry has warned Germans to avoid crowded areas near tourist attractions in Istanbul.
- Turkish Prime Minister Ahmet Davutoglu has convened an emergency security meeting of key ministers and officials.
Turkish Prime Minister Ahmet Davutoglu is set to attend a security meeting in Cankaya Palace, the former presidential palace, with Deputy Prime Minister Numan Kurtulmus, Interior Minister Efkan Ala, Foreign Minister Mevlut Çavuşoglu and officials from National Intelligence Organization (MİT) and the the Security General Directorate (EGM), Today's Zaman reports.