Three people, including a security guard, were killed in a shooting at the Islamic Center of San Diego on Monday before two suspected gunmen, aged 17 and 18, were found dead from apparent self-inflicted gunshot wounds,

Two teenage gunmen opened fire outside the Islamic Center of San Diego in California on Monday, killing three men, including a security guard, police said. Authorities are probing the attack as a suspected hate crime targeting Muslims.

Five people are dead including two gunmen who police said entered the Islamic Center of San Diego on Monday morning and opened fire.

Officers began receiving calls before noon about a shooting outside the mosque, police said.

Authorities are now piecing together the horrific hate crime that left five people dead – including the two suspected teenage gunmen – and has rocked California and the US.

By Mike Blake and Steve Gorman SAN DIEGO, May 18 (Reuters) - Two teenage gunmen opened fire on Monday at the Islamic Center of San Diego, California, killing a security guard and two other men outside the mosque before the suspects were found dead,

The attack is being investigated by police as a possible hate crime.

Two ​teenage gunmen opened fire on Monday at the Islamic Centre of San Diego in California, killing three men outside the mosque, one of them a security guard, before the two suspects were ​found dead,

Three people were fatally shot at an Islamic center in Clairemont on Monday morning, and two teenage suspects were found dead of apparent self-inflicted gunshot wounds in a vehicle nearby, San Diego police said.