David Cameron praised the career ambitions of a group of schoolchildren in Liberia, joking that "if you asked people in England, they'd all say they want to be popstars or footballers."
He is in Liberia to co-chair a United Nations meeting on international development targets, and visited the Anna F Whisnant Elementary School, alongside the country's president Ellen Johnson Sirleaf.
There, pupils told him they wanted to be doctors and lawyers.
More top news
Mack entered her plea in federal court in Brooklyn. The judge refused a request by her lawyers to release her without bail.
Officers investigating a reported break-in on Friday found 22-year-old Roger Alvarado asleep in the pop star's home in Tribeca.
Billy Jeeves is said to have fled the scene in Hither Green, south-east London, after Henry Vincent was fatally stabbed by the pensioner.