The London Assembly's Health and Environment Committee will hear opinions from a range of experts about proposed cuts to accident and emergency units later. Seven hospitals are under threat across the capital.
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Police arrived at the 73-year-old's home after Alfie chased a delivery man.
Officers believe the three assaults are linked and are appealing for information about the suspect.
Nine addresses in Lewisham were searched and 13 arrests made early on Tuesday morning in a planned, intelligence-led operation.