Tributes continue to pour in for Hazel McCallion, the former mayor of Mississauga, Ont., who died Sunday at the age of 101. A look back on her decades-long leadership and her legacy. There are widespread calls in the U.S. for Congress to reform policing after the death of 29-year-old Tyre Nichols, who was severely beaten by police in Tennessee. Why Republicans are already pushing back on the calls for national change. Meanwhile, there is renewed concern over aging Canadian naval vessels after a parts failure caused flooding on board HMCS Summerside. Why military analysts say taxpayers should expect more such problems as Navy ships are stretched beyond their life expectancy. And the risk of deadly avalanches in Alberta and B.C is at a 20-year high. Five people have died in the last few weeks. And dozens of scholars join the chorus of calls for an independent inquiry into abuse suffered by Canadian athletes. And finally, artists from across the Maritimes took part in an ice sculpting festival in Nova Scotia.