U.S., allies launch another round of strikes on Houthi targets in Yemen

Read MoreU.S. and U.K. military forces late Saturday night launched joint airstrikes on Iranian-backed Houthi targets in Yemen, officials announced. Christina Ruffini reports from Washington.U.S. and U.K. military forces late Saturday night launched joint airstrikes on Iranian-backed Houthi targets in Yemen, officials announced. Christina Ruffini reports from Washington.