03:16 (GMT+4) Saudi Arabia's Interior Ministry says four security officers were killed and five others were wounded when a suicide bomber detonated his vest outside one of Islam's holiest sites, AP reported.
The Monday evening attack took place just as thousands of worshippers were about to hold sunset prayers in the mosque where the Prophet Muhammad is buried in Medina. The mosque is visited by millions of Muslims from around the world annually performing pilgrimage in Mecca.
22:40 (GMT+4) State-linked Saudi news websites say an explosion has gone off outside one of Islam's holiest sites in the city of Medina, the same day that two suicide bombers struck different cities in Saudi Arabia, AP reported.
Sabq news site reported that the explosion took place Monday evening. Other sites showed images of what appeared to be a fire outside one of the buildings overlooking the Prophet's Mosque. It was not immediately clear if anyone was killed or wounded.
The sprawling mosque where the Prophet Muhammad is buried is visited by millions of Muslims from around the world each year during pilgrimages to Mecca. The area would have been teeming with pilgrims for prayer during the final days of the Muslim holy month of Ramadan, which ends this week.
The Interior Ministry could not be immediately reached for comment.
21:18 (GMT+4) Two explosions shook the city of Qatif in eastern Saudi Arabia, where many of the kingdom's Shi'ite Muslim minority live, and witnesses said body parts could be seen in the area of the blast, Reuters reported.
A witness said one explosion destroyed a car parked near a mosque, followed by another explosion just before 7 p.m. local time. Body parts could be seen and they are believed to be that of an attacker, the witness added.
20:57 (GMT+4) A huge explosion has ripped through a business district in the city of Qatif in eastern Saudi Arabia with officials fearing mass casualties, Press TV reported.