Police are investigating an explosion which happened in east Belfast on Friday evening.
The alarm was raised at Fraser Pass, close to the Ballymacarett Road, at about 20:15 GMT.
A window at a property was broken and shed in the back garden was also destroyed in the blast.
A 32-year-old man, who is believed to have links to a loyalist paramilitary organisation, was arrested on Saturday morning.
Police said he is being held under the Terrorism Act.
He remains in custody on suspicion of possessing explosives with intent to endanger life or cause serious injury to property.
'Shock and concern'
Progressive Unionist Party Councillor John Kyle has condemned the attack.
"This is something that hasn't happened in east Belfast for a long time," he said.
"This has been met with concern and shock on the part of local residents.
"It is important that the police pursue and find out the circumstances behind this and deal with it appropriately."