This presidential palace has more than 1,100 rooms and is believed to have cost at least $600 million to build; it became the official residence of the national leader on Oct. 29, 2014.

N'DJAMENA, Chad — An attack on Chad’s presidential palace left 18 assailants dead and six in custody, with one soldier killed and three wounded, state media reported Thursday.

Western president has nominated center-right former mayor to be prime minister. The European Union and NATO member state is seeking to usher in a new government to end a protracted political crisis that has gripped the country since last year.