LONDON, England -- London police were under pressure to arrest Muslim protesters who carried signs threatening death and terrorist attacks at a demonstration over cartoons depicting the Prophet Mohammed. Scotland Yard received more than 100 complaints after Friday's protest outside the Danish Embassy, the UK's Press Association reported. Police said they would study video of the demonstrators taken by specialist officers, The Sun newspaper reported, and a police spokeswoman told PA that any arrests would be made "at the appropriate time."