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.

The US embassy in Qatar has also lifted its shelter-in-place order and said operations will resume as normal on Tuesday.