Separate shootings in Las Vegas during continuing protests over the death of George Floyd in Minneapolis have left one man dead and a police officer gravely wounded. Clark County Sheriff Joe Lombardo said Tuesday that the officer was on life support after being shot as police tried to disperse a crowd of protesters outside the Circus Circus hotel and casino. Lombardo says the other shooting happened outside the Foley Federal building. He says a man was shot by officers several times after he reached for a weapon. The identities of the wounded officer and the fatally shot man have not been made public.