U.S. Expands Attacks on Houthis With New Strikes in Yemen

The United States and Britain carried out large-scale military strikes on Monday against eight sites in Yemen controlled by Houthi militants, according to the two countries. The strikes signaled that the Biden administration intends to wage a sustained and, at least for now, open-ended campaign against the Iran-backed group that has disrupted traffic in vital international sea lanes.

The strikes — the eighth in nearly two weeks — hit multiple targets at each site, and were bigger and broader than a recent series of more limited attacks against individual Houthi...