The U.S., Iran and a group of regional mediators are discussing the terms for a potential 45-day ceasefire that could lead to a permanent end to the war, four U.S., Israeli and regional sources with knowledge of the talks told U.S. news portal Axios.

Iran's Revolutionary Guards said they are completing preparations to enforce new operating conditions in the Strait of Hormuz, which has been all but shut since the war with the United States and Israel began.

U.S.-Israeli strikes killed on Monday the intelligence chief of Iran's Revolutionary Guards, the Guards said.

Iran launched fresh attacks across the Middle East on Monday and threatened "devastating" retaliation, after U.S. President Donald Trump's expletive-laced warning that Tehran must reopen the Strait of Hormuz.

U.S. President Donald Trump on Sunday appeared to extend by 24 hours his deadline for Iran to make a deal to reopen the Strait of Hormuz or face devastating infrastructure attacks.

U.S. President Donald Trump said Sunday he believes there is a "good chance" of making a deal with Iran on Monday, ahead of his deadline for Tehran to reopen the Strait of Hormuz or face heavy bombing.

U.S. President Donald Trump said Sunday that U.S. forces had safely recovered a second airman downed in Iran, calling it "one of the most daring Search and Rescue Operations in U.S. History".

U.S. President Donald Trump said that "many" of Iran's military leaders were killed in a huge strike on the Islamic republic's capital.

Critical infrastructure across the Gulf came under attack from Iran on Sunday with damage reported at civilian facilities in the United Arab Emirates, Bahrain and Kuwait.

In the usually lively alleyways of Jerusalem's Old City, silence reigned on Easter Sunday, with the holiday overshadowed by war and restrictions on access to the Holy Sepulcher, where the faithful commemorate Christ's crucifixion and resurrection.