(Reuters) -Rogers Communications said on Saturday that its services were close to fully operational after a massive outage it blamed on a router malfunction after maintenance work. The outage at one of Canada’s biggest telecom operators shut banking, transport and government access for millions of people. “We now believe we’ve narrowed the cause to a network system failure following a maintenance update in our core network, which caused some of our routers to malfunction early Friday morning,” Rogers’ Chief Executive Officer Tony Staffieri said in a statement. Canadians crowded into cafes and …