Iran has brought days of relative calm in the Middle East to an end after launching what the US called a “surprise” attack in a striking change to the pattern of fighting.

Iran said on Sunday that it had suspended its retaliatory attacks after the United States halted military strikes against the country, amid signs of renewed diplomatic engagement…

Iran has suspended retaliatory attacks during a pause in U.S. strikes, but both sides continue to warn that the conflict could quickly escalate despite ongoing diplomatic efforts.

Iran launched a ballistic missile attack on U.S. forces in the Middle East, breaking a temporary halt in direct fighting.