Canadian police announce arrest of 4th Indian suspect in killing of Sikh activist

VANCOUVER, British Columbia — A fourth Indian national living in Canada has been charged in the slaying of a Sikh separatist leader last June that became the center of a diplomatic spat with India.

British Columbia’s Integrated Homicide Investigation Team said in a release late Saturday that 22-year-old Amandeep Singh was already in the custody of Peel Regional Police in Ontario for unrelated firearms charges.

“IHIT pursued the evidence and gained sufficient information for the BC...