He said the fight will take place in Riyadh, Saudi Arabia, on July 25
The death toll from a bomb explosion on a highway in Cauca, southwestern Colombia, on Saturday has risen to 20, with another 38 people wounded.
The government said Mr Camara engaged in an exchange of fire with the assailants, some of whom he managed to kill.
The attorney general said the suspect was identified as Cole Tomas Allen, 31, of Torrance, California.
Mr Camara, one of his wives and two grandchildren were killed in a car bomb attack.
The Malian military said on Saturday that fighting is still ongoing
Opposition parties are accusing Mr Tinubu of attempting to turn Nigeria into a one-party state.
The ICE said Mr Olusanjo was previously arrested for child molestation and sexual battery amongst other offences.
Former Philippine President Rodrigo Duterte will face trial following the confirmation of charges bordering on crimes against humanity by judges at the ICC.
He cited the dialogue between U.S. and Iran as a premise for his advocacy for dialogue with terrorists.
