Two terror suspects blew themselves up on Saturday during a firefight with security forces in Saudi Arabia's Jeddah and two others were arrested in another operation, said a report.

Security forces raided a suspected “terrorist” hideout used for making explosive belts and other devices in a southern district of Jeddah, reported Arab News, citing a spokesman for the the interior ministry.

Two men holed up inside the premises shot at security forces, who returned fire, according to the statement carried by the official Saudi Press Agency.

The suspects refused to surrender and “blew themselves up by detonating their explosive belts,” it said, confirming an earlier statement by Jeddah authorities.

The interior ministry spokesman also said that a third suspect was arrested on Saturday in a security operation targeting another Jeddah neighborhood.

The suspect, a Saudi national, is believed to have had links to the two men who blew themselves up, said the report.

He was arrested along with a Pakistani women whom he identified as his wife, the spokesman said.

Pictures posted on Twitter showed a fire at the site of the shootout.

Earlier this month, security forces shot and killed two suspected jihadists including an explosive belt maker during a police operation in the north of Riyadh. Both were Saudi citizens, it added.