Israeli Prime Minister Benjamin Netanyahu welcomed the ceasefire with Iran unveiled by President Donald Trump and said he had agreed to it, but warned his country would "respond forcefully to any violation.

In a 48-hour whirlwind, President Donald Trump veered from elated to indignant to triumphant as his fragile Israel-Iran ceasefire agreement came together, teetered toward collapse and ultimately coalesced.

President Donald Trump on Monday announced that Israel and Iran had agreed to a ceasefire, after more than a week of fighting following Israel's strikes -- and subsequent U.S. attacks -- on Iran's nuclear program.