Hamas says it is suspending the release of Israeli hostages from Gaza, leaving a ceasefire agreed with Israel to end 15 months of war inside Gaza on a knife edge.

Salman Rushdie was so stunned when a masked man started to stab him on a stage in western New York that the author didn't even try to fight back, a prosecutor has said during opening statements in the suspect's attempted murder trial.

Luigi Mangione, the 26-year-old charged with the murder of UnitedHealthcare CEO Brian Thompson, has accepted nearly $300,000 in donations toward his legal defence, according to the fund.

A bus veered off a highway bridge into a polluted ravine in Guatemala City early on Monday, killing at least 51 people and trapping survivors, a spokesperson for the city's fire department said.