Richard Brandon, who works on board the Met's helicopter, says lasers being shone into cockpits are "incredibly distracting". However, their helicopter does have new equipment to identify where the laser is coming from.
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The pub owner said the sign is a nod at having a bit of fun in support of them and celebrating their relationship and the wedding.
A 61-year-old woman was taken to hospital with head injuries after the incident in Islington, north London.
Assema Kedir Habib spoke at the commemoration of her brother Hashim Kedir and his family.