KHOBAR, Saudi Arabia (Reuters) - A fire at an oil workers residential compound in Saudi Arabia on Sunday claimed one casualty and injured 30 more of various nationalities, civil defense authorities said.

National oil company Saudi Aramco [SDABO.UL] said the fire broke out in a basement of the Radium residential compound.

"At 05:45 today a fire was reported in the basement of the Radium residential compound in Al Khobar which is leased by Saudi Aramco for its employees," Aramco said in a statement.

It said that civil defense and Saudi Aramco fire brigades were evacuating residents.

Colonel Ali Al-Qahtani, Eastern Province Civil Defense spokesman said evacuation efforts continue to save people from rooftops. Residents said helicopters were seen flying in the area.

According to Aramco's website, the Radium Residential Complex consists of eight six storey buildings and comprises 486 units.

(Reporting by Reem Shamseddine, editing by Sami Aboudi and William Hardy)