Twin explosions at a mosque in Somalia's capital on Saturday killed at least 35 people and wounded many more, the African Union's peacekeeping force in the country said.

The mosque is in the heart of Mogadishu's Bakara Market, a stronghold of Al-Shabaab, the militant group waging a war against the government in an effort to implement a stricter form of Islamic law.

The bloody incident took place about 1 p.m., according to Ali Muse, a local ambulance service director. He said hundreds were wounded, and he expects the casualty figures to rise.

An Al-Shabaab spokesman, Ali Dhere, initially blamed "foreign elements" for the attack, but an AU peacekeeping official said no group has claimed responsibility.

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