Two men have been arrested in Northern Ireland over the killing of a journalist during a riot, police said, with politicians calling for calm after the shooting added to concerns about the stability of the region's 21-year-old peace deal.
Lyra McKee, 29, an award-winning journalist who was writing a book on the disappearance of young people during decades of violence in Northern Ireland, was shot dead on Thursday as she watched Irish nationalist youths attack police following a raid.
"Lyra's murder was an attack on all the people of this community, an attack on the peace and on the democratic processes," leaders of the main six parties said in a statement. "This is a time for calm heads."
The Police Service of Northern Ireland said on Saturday that two men, aged 18 and 19, had been arrested under the Terrorism Act in connection with the murder.
Police said they believed the shooting was likely carried out by the small New IRA group of Irish nationalist militants opposed to the Good Friday peace deal. The group was blamed by police for planting the car bomb outside a courthouse in Londonderry in January.
