The journalist was shot dead while reporting on rioting in Derry in April, 2019.
A man in his 50s has been arrested in connection with the murder of journalist Lyra McKee.
The 29 year old was shot dead while reporting on rioting in the Creggan area of Derry city in April 2019.
A 55 year old man was arrested in the Belfast area this morning and is being questioned under the Terrorism Act.
Two other men, aged 24 and 29, arrested in the Derry area yesterday remain in police custody.
Three men have already been charged with Lyra’s murder and another two men have been charged with rioting and associated offences.
Detectives investigating the murder of journalist Lyra McKee on 18 April 2019 in Derry/Londonderry have arrested a 55 year old man. pic.twitter.com/Hnk6GgJkOn— Police Service NI (@PoliceServiceNI) September 23, 2021