"The US strongly condemns the terrorist attacks yesterday in Saudi Arabia and commends the work of Saudi security forces, whose decisive response prevented further loss of life," said Ned Price, spokesman National Security Council, the White House.
"Although the investigation of these attacks is still in its early phases, the intent of the terrorists is clear: to sow division and fear," he said.
In a separate statement, the State Department spokesman John Kirby extended condolences to the families of all those killed and injured in attacks in Jeddah, Qatif and Medina in Saudi Arabia.
"We condemn the violence that has marred the final days of Ramadan and brought sorrow to so many innocent families," he said.
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"We stand -- as we have stood -- with the people of Saudi Arabia as they confront the scourge of terrorism. These attacks underscore the scope of the threat we all face and remind us of the need to continue to stay focused on combating violent extremism and bringing those responsible for it to justice," Kirby said.
The bombers struck near to the US consulate in Jeddah, next to a mosque in Shiite-dominated Qatif and close to the Islam's holiest site, the Prophet's Mosque in Medina.