The US president's reelection campaign set up a "war room" on White House grounds.
The university has apologised for fencing students in after weeks of frustration over online lectures and Covid outbreaks on campus.
The protests in the key battleground state come as Trump's campaign filed a series of baseless lawsuits attempting to stop the counting of legally cast ballots.
If Biden wins Wisconsin he would then only need Michigan, Pennsylvania, or Georgia to claim overall victory.
If there is a tie, the newly elected House of Representatives would choose the US president.
The Nice attack occurred just under two weeks after the beheading of Samuel Paty, a school teacher in a Paris suburb.
The former Labour leader said allegations about anti-Semitism had been “dramatically overstated” by his political opponents.
A suspect has been arrested, police in France said.
Our campaign’s simple demands to end casual police cruelty have been met with indiscriminate violence. This is what I’ve seen on the ground in Lagos.
Thousands of Nigerians have demonstrated in protests that initially focused on a police unit that rights groups had for years accused of extortion, harassment, torture and murders.