Man arrested over journalist Lyra McKee's murder

Police investigating the murder of journalist Lyra McKee have arrested a 46-year-old man.The 29-year-old was shot in the head by dissident republican group the New IRA while reporting on clashes with police in Londonderry in April.The Police Service of Northern Ireland carried out searches at properties in the Northland Road and Creggan areas of Derry on Thursday morning.