John Bolton has been called in to testify in the impeachment inquiry into US President Donald Trump.
The former National Security Adviser has been summoned by the House of Representatives investigators.
The US President is being investigated for pressuring Ukraine to investigate former US Vice-President Joe Biden and his son.
Trump denies the claims.
Bolton, who has spoken against the president on the matter, has been asked to testify on November 7.
Cameroon's Biya re-elected at 92, opposition reports gunfire
Cameroon's President Paul Biya, the world's oldest serving ruler, secured an eighth term in office on Monday, vote results showed, as the main opposition challenger who has also claimed victory reported gunfire near his home.
Trump gets royal welcome in Japan, China trade truce hopes rise
US President Donald Trump received a royal welcome on Monday in Japan, the latest leg of a five-day Asia trip which he hopes to cap with an agreement on a trade war truce with Chinese President Xi Jinping.
Rubio says Israeli strike on Gaza didn't violate ceasefire
US Secretary of State Marco Rubio said on Monday that Washington does not view a strike that Israel said targeted a member of IJ group in Gaza as a violation of a US-backed ceasefire.
Trump says he would not run for vice president in 2028
US President Donald Trump on Monday ruled out running for the vice presidency in the 2028 US election, an approach some of his supporters have floated to allow the Republican president to serve an additional term in office.
Two climbers die in Nepal after expeditions to Ama Dablam mountain
Two mountaineers have died in Nepal after separate expeditions to the Ama Dablam mountain in the Himalayas, hiking officials said on Monday.
