Actress Tilda Swinton is performing the art of sleeping at New York’s Museum of Modern Art.

A museum spokeswoman says the English star presented her one-person piece called The Maybe on Saturday, in which she lies sleeping in a glass box for the day.

There is no published schedule for the piece, which will occur about a half dozen more times through the end of the year, and was performed at the Serpentine Gallery in London in 1995.

City attack

Hundreds of fighters from a Congolese militia have attacked the southeast mining centre of Lubumbashi.

The governor of Katanga province, Moise Katumbi, appealed for calm after a day of panic sparked by the arrival of the Mai Mai fighters.

UN-run Radio Okapi reported that 240 fighters – armed with bows and arrows and machetes – had surrendered to the UN peacekeeping force. Children were reportedly among the militia when it attacked the city.

Star is born

New Chinese First Lady Peng Liyuan is emerging as Chinese diplomacy’s latest star.

A well-known performer on television, the glamorous Peng featured prominently in yesterday’s state media coverage of President Xi Jinping’s activities in Russia. The visit is his first since assuming the presidency earlier this month.

Freed inmate collapses

A New York man whose murder conviction was overturned after 23 years in prison has suffered a heart attack on his second day of freedom.

David Ranta’s lawyer said the former inmate had a serious heart attack on Friday night and is being treated at a New York hospital.

Ranta, 58, walked out of jail on Thursday after a judge threw out his conviction in the 1990 killing of Brooklyn rabbi Chaskel Werzberger.