South African police search for body of man believed to have been killed by shark off South Australia's west coast

South Australian police say they are searching for the body of a man believed to have been killed by a shark off South Australia’s west coast.

Emergency services were called to Granites Beach, 30 kilometers southwest of Streaky Bay, shortly after 7pm on Thursday evening following reports of a surfer being captured by a shark.

Police and state emergency services crews searched the area on Thursday evening for the 28-year-old Port Lincoln man.

The beach has been closed and police are asking people to avoid the area.