At least 40 inmates at an Indonesian prison are dead after a fire broke out in the overcrowded facility early Wednesday morning.

A spokesperson for Indonesia’s justice ministry said the blaze started in Block C of Tangerang prison, located on the outskirts of the capital Jakarta.

Rika Aprianti said the fire was extinguished after several hours. The Associated Press says at least 39 others were injured in the disaster.

More than 2,000 inmates are housed at Tangerang prison, with 122 inmates housed in Block C.

Aprianti said the cause of the deadly fire is under investigation.

Source: Voice of America