From an AP story by Darlene Superville headlined “Biden’s dog Commander no longer at White House after biting incidents”:

President Joe Biden’s dog, Commander, is “not presently on the White House campus” following a series of biting incidents involving White House staff and U.S. Secret Service officers, a spokesperson for first lady Jill Biden said.

Elizabeth Alexander, the first lady’s communications director, said Biden and his wife care deeply about the safety of White House staff and those who protect them every day.