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IS suspects held over Saudi 'plot' IS suspects held over 'plot' to attack Saudi mosques
(35 minutes later)
Saudi Arabia arrests 431 suspected Islamic State militants accused of plotting attacks on mosques, officials say Saudi security forces have arrested 431 suspected members of the Islamic State militant group, officials say.
This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version. They are accused of plotting suicide attacks on security forces and mosques in various parts of the country.
If you want to receive Breaking News alerts via email, or on a smartphone or tablet via the BBC News App then details on how to do so are available on this help page. You can also follow @BBCBreaking on Twitter to get the latest alerts. Most of the suspects are Saudi citizens, but they also include people from six nationalities, including Yemen and Syria, the interior ministry said.
Saudi Arabia is part of a US-led coalition carrying out air strikes against IS militants in Syria and Iraq.
In its statement, the interior ministry said the suspects were planning suicide operations targeting mosques "on every Friday timed with assassinations of security men" in the east.
"Terrorist plots to target a diplomatic mission, security and government facilities" the southern province of Sharurah were also thwarted, the ministry added.