The stakes could rise further if the weapons system officer of the downed F15 Eagle plane is captured by Iran.

The pilot of the downed jet has been safely rescued, but a search and rescue operation is still under way for the jet's second crew member, US media reports.

A Russian drone hit a busy spot in the southern Ukrainian town on Saturday morning, injuring another 21 people.

Cameroon's President Paul Biya, 93, won his eighth successive term last year in a disputed election.

The pilot of the downed jet has been safely rescued, but a search and rescue operation is still under way for the jet's second crew member, US media reports.

The International Atomic Energy Agency urges restraint to avoid a nuclear accident at Iran's Bushehr plant.

The niece and grand-niece of Qasem Soleimani are in the custody of US Immigration and Customs Enforcement, officials said.