A man has been arrested after a significant quantity of explosives was discovered in a block of flats in Belfast.
The 47-year-old was arrested on suspicion of dissident republican activity after the find in a flat at Maeve House in the New Lodge area.
PSNI district commander Chief Superintendent Nigel Grimshaw said: "Police believe this to be a significant discovery.
"It beggars belief that quantities of high explosives could be stored in a block of flats in which hundreds of people are living.
"The search operation is continuing. We apologise for any inconvenience or disruption but we need to ensure that everything has been done to keep people safe."
He said the material has been removed for a detailed examination but police believe it to be high explosives.
Chief Supt Grimshaw said it beggared belief that explosives could be stored in a block of flats in which hundreds of people live.
The suspect is being questioned at Antrim police station.