Berlin police launched an investigation on Boxing Day, Saturday, after several people were shot in a city district overnight. Four people were injured by gunfire in the early hours of Saturday morning, with three men seriously injured, including one who was shot into the leg and who had to be pulled out of the city canal by passing workmen. It is claimed he jumped into the canal to escape further injury. No fatalities have been reported. ....the shooting took place in the “immediate vicinity” of the party headquarters of the Social Democrats (SPD), the left-wing coalition partners keeping the center-right...