India, Aug. 16 -- The violence was a serious escalation in a dispute that began on August 7 during celebrations of birth anniversary of Guru Harkrishan Sahib at the gurdwara.

A confrontation involving anti-Khalistan activist Gursimran Singh Mand at Gurdwara Sri Panjokhra Sahib in Ambala has escalated into a major law-and-order situation, with a Deputy Superintendent of Police losing his thumb, several other policemen injured, tear gas and lathicharge used to disperse protesters and the Delhi-Jalandhar section of NH 44 blocked for nearly six hours. The violence on Thursday night was the most serious escalation in a dispute that began on August 7 during celebrations marking the birth anniversary of Guru Harkrishan Sahib at the historic gur...