Texts from Northwestern University in Qatar started hours before the missiles began firing, alerting students to go to their homes.

By Andrew Mills, Parisa Hafezi and Alexander Cornwell DOHA/ISTANBUL/TEL AVIV (Reuters) -Explosions were heard over Qatar's capital Doha on Monday, a Reuters witness reported, shortly after a Western diplomat said there had been a credible Iranian threat against the U.

Tensions escalated sharply on June 23 after Iran launched a missile strike on the US-run Al Udeid Air Base in Qatar, prompting Doha to declare it “reserves the right to respond.” Iran claimed the attack was a response to US strikes on its nuclear sites but insisted it posed no threat to Qatar.