After the Balcombe Street unit was arrested a new active service was sent to England to carry on the bombing campaign in London . This new unit began it 's campaign on the 29 January 1976 , planting a dozen bombs around London 's West End which exploded during the night , another bomb was found which was defused by police . The unit was also responsible for the West Ham station attack which killed one person and injured nine others . And also the carried out the 1976 Olympia bombing which killed one person and injured 85 others , some sersiously . The bombing campaign soon fizzled out after this attack
West Ham station attack
West Ham station attack
Provisional IRA's Balcombe Street Gang