The man was detained this morning during a search in Craigavon.
The device exploded without warning in a bin in Lurgan on 14 August.
Three children, aged between two and 12, sustained minor injuries.
Updated: 17:52, Thursday, 2 September 2010
A 27-year-old man has been arrested in connection with a bomb blast in Co Armagh which injured three children.
The man was detained this morning during a search in Craigavon.
The device exploded without warning in a bin in Lurgan on 14 August.
Three children, aged between two and 12, sustained minor injuries.