sentences:  Plans were made and ambush positions taken for a number of attacks on Lord French, British Viceroy and Commander of the British Army in Ireland, in the second half of 1919, however, the intelligence received about French's movements was inaccurate and these ambushes did not occur until the ambush at Ashtown Road.In one of these planned ambush attempts Hogan waited on Grattan Bridge for French's car to pass.At the time French's car was due to pass he pulled the pins from his grenade.