TORONTO--(BUSINESS WIRE)--Markel Insurance, the insurance operations within Markel Group Inc. (NYSE:MKL), today announced that its Storage Tank Liability (STL) insurance product is now available through its digital platform, Markel Connect, in Canada. This addition expands the capabilities of Markel Connect in the Canadian market, reinforcing the company's commitment to digital innovation and providing brokers with streamlined access to specialized coverage solutions. The STL product is designe. ...