The man was arrested under Section 41 of the Terrorism Act 2000.
The 29-year-old journalist was shot in Londonderry last year.
The men were arrested under the Terrorism Act. The 29-year-old journalist was shot dead last year.
The journalist was shot in the head on April 18.
Demonstrators will urge an end to killings as they make the journey from Belfast to Londonderry.
Sara Canning said the issue shouldn't be a political football.
A 51-year-old and a 38-year-old have been charged, the PSNI said.
The journalist was shot in Londonderry last month.
A mural of murdered journalist Lyra McKee was revealed in Belfast. The poignant image in the city centre was created by Dublin artist Emma Blake, as part of the annual ‘Hit The North’ street art festival.
Meanwhile IRA graffiti has been painted over in Derry, where she was killed.
Nothing we say or do will bring back Lyra McKee or Jamal Khashoggi, but we need to make sure the world hears us when we say attacks on journalists must end
Theresa May and Leo Varadkar said political leaders had heard an “unmistakable message” following her death.
"I think people in the community know who they are."
“Why does it take the death of a 29-year-old woman with her whole life in front of her to get to this point?”
Political leaders of Britain and Ireland joined hundreds of mourners for the funeral of journalist Lyra McKee.
Mourners wore Harry Potter memorabilia at her family's request.
Prime minister will miss PMQs to attend service.
Lyra McKee's Tragic Death Is A Reminder We Are Never That Far Away From The Dark Times Of The Troubles
We have a responsibility to ensure Lyra’s death was not in vain. Instead let her murder be a warning of what can happen when politicians and the powers that be tune out
"She wouldn’t wish ill on anyone.”
The journalist was shot on the Creggan estate on April 18.