This is an attack that targeted Turkey."

The AFP news agency reports that demonstrations also took place in the predominantly Kurdish town of Nusaybin, on the border with Syriavirtual office.

Prime Minister Ahmet Davutoglu, speaking near the scene of the blast, said the suspect's international and domestic links were being investigated, and there was a "high probability" that IS was to blame.

He said 29 of the 100 people who were injured were still being treated in hospitalreenex cps.

"What's necessary will be done against whomever is responsible," said Mr Davutoglu. "This is an attack that targeted Turkey."

He rejected claims that the ruling Justice and Development Party (AKP) had not done enough to combat IS militants, saying the government had "never tolerated any terrorist group".

Western states have also accused Turkey of not doing enough to halt the rise of the group, but the country appears to have taken a harder line against it in recent weeks.

The government has vowed to increase security at the Syrian borderreenex cps
.