Royal cop denies careless driving after pensioner was killed by entourage

A Met Police motorcyclist has denied driving carelessly when he hit and killed a great-grandmother while escorting the Duchess of Edinburgh through London. Christopher Harrison, 67, pleaded not guilty to causing the death of 81-year-old Helen Holland by careless driving while part of a royal escort in Earl’s Court on 10 May. Ms Holland, a mother-of-four, suffered serious injuries in the collision and died in hospital two weeks later. Harrison of Billericay, Essex, appeared at Westminster Magistrates’ Court wearing a…