The US Africa Command announced the strikes days after Trump claimed to have killed the group's second-in-command.

The Nigerian president called the strike a 'significant example of effective collaboration in the fight against terrorism'.

President Donald Trump said U.S. and Nigerian forces carried out a mission Friday night to kill a leader of the Islamic State group.

WASHINGTON: US and Nigerian forces killed a leader of the Islamic State group in Nigeria in a mission carried out Friday, US President Trump said.