At least 12 people were killed when the minibus they were travelling in plunged into Lake Victoria in northern Tanzania on Monday. <br/><br/>The vehicle tipped into Africa's largest lake, which also spreads into Uganda and Kenya. <br/><br/>The vehicle was on its way to drop passengers at a ferry station when it skidded off the road and plunged into the lake.<br/><br/>President John Magufuli has expressed shock over the incident.