By Andrew Mills, Parisa Hafezi and Alexander Cornwell DOHA/ISTANBUL/TEL AVIV (Reuters) -Iran's military said it carried out a missile attack on the Al Udeid U.S. airbase in Qatar on Monday after explosions were heard across the Qatari capital following Tehran's threat to retaliate for U.

Tehran has warned of "heavy consequences" after the US targeted three nuclear sites with missiles and 30,000-pound bunker-buster bombs.