The United States military launched a series of air attacks on Yemen overnight, targeting Houthi rebels. Strikes hit an area near the capital, Sanaa, as well as the northern province of Saada early on Tuesday as the US extended a bombing campaign against targets in Yemen that began in mid-March and has killed dozens of people.

Houthi rebels said U.S. airstrikes hit Yemen’s capital overnight and into early Monday morning, killing at least three people. Strikes in Sana’a reportedly killed one person, with the

The attacks followed a night of airstrikes that appeared particularly intense compared to other days in the campaign that began on March 15.