At least 30 people were injured Friday when a mosque packed with worshippers collapsed in the Somali capital Mogadishu, police said.At least 200 people were reported to have been inside the mosque in Mogadishu's north-western Hodan district during Friday prayers.Rescuers were searching for injured or dead victims among the rubble.Local official Ahmed Nur Abdi said the collapse may have been caused by ongoing repair work inside the mosque.