Saudi civil defense says at least 62 dead in crane collapse at Grand Mosque in Mecca

In this image released by the Saudi Interior Ministry’s General Directorate of Civil Defense, an area is cordoned off at the Grand Mosque in Mecca after a crane collapsed killing dozens, Friday, Sept. 11, 2015. The accident happened as pilgrims from around the world converged on the city, Islam's holiest site, for the annual Hajj pilgrimage, which takes place this month. (Saudi Interior Ministry General Directorate of Civil Defense via AP) (The Associated Press)

In this image released by the Saudi Interior Ministry’s General Directorate of Civil Defense, Civil Defense officials inspect the damage at the Grand Mosque in Mecca after a crane collapsed killing dozens, Friday, Sept. 11, 2015. The accident happened as pilgrims from around the world converged on the city, Islam's holiest site, for the annual Hajj pilgrimage, which takes place this month. (Saudi Interior Ministry General Directorate of Civil Defense via AP) (The Associated Press)

In this image released by the Saudi Interior Ministry’s General Directorate of Civil Defense, Civil Defense personnel inspect the damage at the Grand Mosque in Mecca after a crane collapsed killing dozens, Friday, Sept. 11, 2015. The accident happened as pilgrims from around the world converged on the city, Islam's holiest site, for the annual Hajj pilgrimage, which takes place this month. (Saudi Interior Ministry General Directorate of Civil Defense via AP) (The Associated Press)

Saudi Arabia's civil defense authority says at least 62 people have been killed after a crane collapsed on the Grand Mosque in the holy city of Mecca.

The authority announced the collapse and the casualty numbers on its official Twitter account. It says nearly 30 others were injured in the crane collapse on Friday.

Mecca is Islam's holiest site. Pilgrims from around the world have been converging on the city and the mosque for the annual Hajj pilgrimage, which takes place this month.