Dec. 25 (UPI) -- At least 21 people have died since Monday due to political unrest in Mozambique as a political opposition leader vows to become president after losing in questionable elections. Violent encounters between police and protesters led to deaths and more than 70 arrests since Monday, when the Mozambique Constitutional Council affirmed the contested Oct. 9 election results, The New York Times reported. Advertisement Vanancio Mondlane is the leader of the opposition to the status quo