Raja Hira Singh Dogra murdered Ajit Singh and Lehna Singh Sandhawalia to avenge his father's death.
Jarnail Singh Bhindrawalae courted arrest at Mehta Chowk.
Jarnail Singh Bhindrawalae offered himself for arrest by police in public presence at Mehta Chowk. Before his arrest, Jarnail Singh addressed the public gathering and appealed for peace. On this occasion, Chowk Mehta had 10,000-strong police force, including members of the Border Security Force. Jarnail Singh's arrest was followed by police harrassment, arson, cane-charges, and even shooting ar random. 12 Sikhs (according to some sources. 22 Sikhs) were killed and several others injured. Police fired 800 rounds from 60 guns.
-Ref. THE SIKHS' STRUGGLE FOR SOVEREIGNTY, An Historical Perspective By Dr. Harjinder Singh Dilgeer and Dr. Awatar Singh Sekhon. Edited By: A.T. Kerr Page 110-119.