Indian Prime Minister Narendra Modi visits the Air India monument at Humber Bay East Park with Prime Minister Stephen Harper

TORONTO, ON- APRIL 16 - Shirley Sequeira-Travasso touches the names of her brother and Sister-in-law and their two children who died in the plane bombing. Indian Prime Minister Narendra Modi and Prime Minister Stephen Harper greeted families of the victims of Flight 182 near the monument after laying wreaths during a visit to the Air India Flight 182 monument at Humber Bay East Park in Toronto. April 16, 2015. Air India Flight 182 flying on the Montreal, CanadaLondon, UK Delhi, India route on June 23, 1985, when a bomb destroyed the Boeing 747 over the Atlantic Ocean near Ireland. (Steve Russell/Toronto Star via Getty Images)