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"I will be leaving for Florida today to meet with some of the bravest people on earth - but people whose lives have been totally shattered," Trump tweeted early Friday.
The US leader -- who is spending the long President's Day weekend at his Mar-a-Lago resort in Florida -- did not specify when the meeting would take place.
"Am also working with Congress on many fronts," added Trump, who has vowed to tackle mental health and school safety in the wake of the shooting, but has yet to make any mention of gun control.