(Bloomberg) -- The US and UK launched about 70 airstrikes on Houthi targets in Yemen in an effort to stop shipping attacks in the Red Sea, though the Iran-backed group pledged to retaliate with an urgent response. Most Read from BloombergGoogle Lays Off Hundreds in Hardware, Assistant, EngineeringCiti to Cut 20,000 Roles in Fraser’s Bid to Boost ReturnsBlackRock Buys Infrastructure Firm GIP for $12.5 Billion in Major Alternatives PushUS and UK Strike Yemen’s Houthis After Red Sea Ship AttacksHer