Mogadishu, Somalia (CNN) A car bomb exploded at a crowded shopping mall in Mogadishu, the Somali capital on Monday morning, killing at least ten people and wounding dozens of others, police and witnesses said.

Capt Farah Osman, a Somali police officer at the scene, confirmed to CNN that the explosion tore through a Mogadishu mall in the capital's business district, Hamarweyne.

The death toll may rise as rescuers search for survivors and some of the wounded are in critical condition, Osman said.

Ibrahim Jama, a witness, said explosion rattled windows of several nearby business buildings.

Al-Shabaab has claimed responsibility for the attack.