wasssador andrei karlov shot to death yesterday in ankara. who firedce say a man at a mosque was not a far right extremists. three people were wounded, too seriously before the gunmen kill themselves. ♪ the islamic state group has claimed responsibility for last night's attack on a christmas market in berlin. 12 people killed and almost 50 wounded when a truck plowed into crowds of people. police say the driver is still on the loose after they released a man arrested last night because of a lack of evidence. michelle has the latest. michelle: debris still scattered across the road at this christmas market in berlin. a horrific reminder of monday night's tragedy. tributes have been pouring in after a man plowed this massive into ththe market, killing at least a dozen people and wounding scores of others. police arrested a 23-year-old man of pakistani origin on monday night. released less than 24 hours later due to insufficient evidence. meanwhile, german police continued their probe to track down the person responsible. -- we don'te know know

wasssador andrei karlov shot to death yesterday in ankara. who firedce say a man at a mosque was not a far right extremists. three peo