Insisting on their demands, the group called for justice for protesters killed by Nigerian security operatives during the nationwide protest.
The debate is expected to reveal more about Ms Harris than Mr Trump.
He added that such poses a potential threat to the entire region.
The U.S. Department of Justice has charged Asif Merchant, a Pakistani national with ties to the Iranian government, for plotting to assassinate Mr Trump.
He joined Hamas in the 1980s and has been the leader of the group in Gaza since 2017.
Since the protests began, over 23 people have been killed by Nigerian police, according to Amnesty International.
Vice-President Kamala Harris has chosen Governor Tim Walz of Minnesota as her running mate, said people briefed on the decision.
Vice-President Kamala Harris has chosen Governor Tim Walz of Minnesota as her running mate, said people briefed on the decision.
A large crowd of protesters waving Russian flags stormed the streets in Kaduna, Kano, and Bauchi on Monday.
Earlier in July, Mr Tinubu announced suspension of import duties on essential food items.
