A pub landlord was shot and killed outside his pub in Dusseldorf in the early hours of Sunday, prosecutors and police in the western German city said. According to the initial investigation, the shooting followed a dispute between the landlord and a man, which moved to the street outside the pub at around 2:45 am (0045 GMT). According to the police report, the man fired several shots at the landlord before re-entering the pub. A police patrol arrived soon after the incident and arrested an armed man in front of the pub. He did not offer any resistance. Attempts were made to resuscitate the 38-…