Extermination of Muslims in Jammu during Partition.
Muslims were shifted to the police lines at Jogi gate. Instead of providing them security, the administration encouraged them to go to Pakistan for safety. The first batch of several thousands of these Muslims were loaded in about sixty lorries to take them to Sialkot. Unaware of what is going to happen to them these families boarded the buses. The vehicles were escorted by troops. But when they reached near Chattha on Jammu-Sialkot road (), in the outskirts of the city, a large number of armed RSS men and Sikh refugees were positioned there.
They were pulled out of the vehicles and killed mercilessly with the soldiers either joining [in] or looking [on] as idle spectators. The news about the massacre was kept a closely guarded secret. next day another batch of these Muslim families were similarly boarded in the vehicles and met the same fate. [T]hose who somehow managed to escape the wrath of killers reached Sialkot to narrate their tale of woe…
Links to articles and books on this subject: