Iran warned Saudi Arabia Wednesday to stop working against it as their diplomatic crisis intensified despite efforts to defuse a row that has raised fears of greater regional instability.
Bahrain said on Wednesday it had caught an Iranian-linked cell plotting attacks on its territory, days after it followed its close ally Saudi Arabia in cutting ties with Iran.
Iran warned Saudi Arabia to stop working against it as their diplomatic crisis intensified despite efforts to defuse a row that has raised fears of regional instability.
Kuwait became the latest Gulf Arab state to recall its ambassador from Iran to protest attacks on Saudi diplomatic missions in the Islamic republic.
Saudi-led air strikes targeting Houthi forces intensified in Yemen, an escalation of a nine-month-old war that follows a rise in tensions between the kingdom and Tehran.
US Secretary of State John Kerry called the Iranian and Saudi Arabian foreign ministers on Monday to urge calm after the dramatic breakdown of relations between Tehran and Riyadh.
Oil prices rose in Asia after crude kingpin producer Saudi Arabia cut diplomatic ties with Iran following a row over the Saudi execution of a Shia cleric.
Gunmen killed a civilian and wounded a child when they opened fire on Saudi police in the home village of an executed Shia cleric, state media reported.
Iranian protesters stormed the Saudi embassy in Tehran early on Sunday and Shia Muslim Iran's top leader predicted "divine vengeance" for Saudi Arabia's execution of a prominent Shia cleric.
Iran's president denounced attacks on the Saudi embassy and consulate as "totally unjustifiable" after protesters stormed the compounds.
A rise in Iran's crude oil exports once sanctions against it are lifted depends on future global oil demand and that should not further weaken oil prices, a senior Iranian oil official said.
Saudi Arabia's execution of a leading cleric from the Shia community has threatened to further intensify a wave of sectarian conflict in the region.