Security officials secure the area after an explosion outside the historical Ulu Cami in Bursa, Turkey, Wednesday, April 27, 2016

A female suicide bomber wounded at several people when she blew herself up near the main mosque in the northwestern Turkish city of Bursa on Wednesday, a senior government official and a security source said.

Photographs from the scene showed the severed torso of what appeared to be the bomber lying at the side of the mosque. There was no immediate claim of responsibility.

“The attack was carried out by a suicide bomber. It is a woman, and she is dead. According to the information we have at the moment, seven people are wounded,” the government official told Reuters.

Turkey has been hit by a series of suicide bombings this year, including two in its largest city Istanbul blamed on ISIS, and two in the capital Ankara which were claimed by a Kurdish militant group. It has also faced attacks from far leftist groups, mostly on police and security forces.

Bursa is Turkey’s fourth largest city, an industrial hub directly south of Istanbul across the Marmara Sea and a city rich in Ottoman-era architecture.

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