Three men have been arrested in connection with an ongoing investigation in Glasgow.

Police raced to Longstone Road in Cranhill this morning at around 11am alongside armed officers.

Eyewitnesses reported seeing a helicopter at the scene.

It has now been confirmed three men have been arrested as part of the intelligence-led operation.

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A Police Scotland spokeswoman said: "On Saturday, January 4, officers attended a block of flats on Longstone Place, Cranhill.

"Three men were arrested in connection with an ongoing investigation.

"The investigation was an intelligence-led operation."