An E.R. doctor was detained Saturday, just days after a family physician had been detained. Both were traveling when immigration agents took them into custody.

The House could move within days to consider expelling Representative Eric Swalwell, Democrat of California, in light of sexual assault allegations against him. There could be more to come for both parties.

Iran denied that the American destroyers had entered the strait, as negotiations for an extended cease-fire continued in Islamabad.