you re live in the cnn newsroom. i m jim acosta in the newsroom. a deadly attack on u.s. troops in the middle east. three u.s. army troops have been killed and more than 30 other service members injured after what u.s. officials say was an overnight drone attack in jordan. president biden held a moment of silence during a campaign event in south carolina earlier today and vowed to hold those responsible to account. our team is following all these developments. we are at the white house for us with more on the president s response. first, let s go to cnn s natasha bertrand here in the studio with me. what s the latest? we are learning three u.s. army soldiers were killed in jordan right on the border with syria called tower 22. it wounded as many as 30 u.s. service members. that number is expected to rise as they report symptoms consistent with trauma particular brain injury. what the biden administration said this was carried out by an iran-backed militia. the administrat