What more can Canada do to help Ukraine as threat of a Russian invasion lingers

From troops to military equipment, Ukraine’s allies — including Canada — are sending reinforcements as the threat of a Russian invasion lingers. The Kremlin claims that delivery of arms is adding to the tension in the region, even though Russia moved new battle helicopters to a base near its border with Ukraine, where intelligence estimates 125,000 Russian troops are already stationed. Mike Le Couteur looks at how tensions are heating up, and what other diplomatic steps allies could take to deter Moscow.