Detectives investigating an attack on a police station in south west Belfast have arrested a man.
The 66-year-old was arrested in the Dunmurry area under the Terrorism Act.
A number of searches are ongoing in east and west Belfast.
A Police Service of Northern Ireland spokesperson said: “Please be assured that we will continue, tirelessly, with our efforts to bring those responsible to justice and to protect our local communities."
On Monday, the Police Service of Northern Ireland released footage of the moment a car bomb exploded.
The footage shows a person walking along a path before a large flash of light erupts ahead.
The incident has been condemned by Northern Ireland’s political leaders and chief constable, who voiced their condemnation at a joint press conference on Monday.
A spokesman from PSNI said: "Anyone with information is asked to contact us on 101, quoting reference 1682 of 25/04/26."
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A man has been arrested in connection with the incident near Belfast
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Forensic investigators at the scene in Dunmurry in Northern Ireland | GETTYAssistant Chief Constable Davy Beck said the policing operation would involve more vehicle checkpoints and officers on patrol which "may cause some inconvenience to the general public".
He said: "Our job is to keep communities safe and also our officers who bravely serve to protect these communities. We are taking every reasonable step to do so. However, we need the active support of our communities to do this."
Mr Beck continued: "This operation will involve more vehicle checkpoints and patrolling officers.
"This may cause some inconvenience to the general public, however, we are asking for patience and the support of communities as we work hard to keep us all safe."