BERLIN: Berlin police said on Tuesday that investigators assume the driver of a truck that ploughed into a crowd at a Berlin Christmas market, killing 12 people and injuring 48 others, did so intentionally in a suspected terrorist attack. The truck crashed into people gathered around wooden huts serving mulled wine and sausages at the foot of the Kaiser Wilhelm memorial church, which was left as a ruin after World War Two, in the heart of former West Berlin on Monday evening.