Police have made another appeal for witnesses to come forward after a teenager was shot dead on a residential street in Battersea.
Police believe "a number of young people" may have information about the course of events that led to the death of 19-year-old Kyle McDonald.
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A group of disabled activists threw toys and balls at him as he entered the conference.
A wet start to the week and the unsettled weather is set to continue over the next few days.