Sanders told Vermont Public Radio that he planned again to seek nomination.
Authorities say some are trapped in gondolas suspended above water.
Authorities still confirming identities of victims.
At least a dozen states plan legal action.
The President trained his Twitter comments on deputy attorney general and two former officials from the Justice Department.
The North Carolina State Board of Elections is holding a hearing on ballot fraud allegations in the nation's last undecided congressional election.
Mr. Trump said he expected to be sued and anticipated the Supreme Court will decide the case.
Two former suspects now cooperating fully with law enforcement, reportedly.
Gary Martin had felony conviction in Mississippi, which initial background check did not catch.
Five police officers injured; authorities identify alleged gunman as Gary Martin, 45.