07 FEB 1991- The Provisional IRA attacks 10 Downing Street in London using a van with the upper part of and three Mark 10 muzzas inside the van that fired electroncially by a timer.
07 FEB 1991- The Provisional IRA attacks 10 Downing Street in London using a van with the top cut out and three Mark 10 mortars inside the van that fired electronically by a timer.