A 17-year-old arrested in murder investigation after teen's tragic death A 17-year-old from Leigh has been arrested on suspicion of murder after Essex Police launched a murder investigation into the death of Luke Bellfield. Essex Police made the arrest last night. They are no longer looking for Alfie Pollard. A 20-year-old woman from Westcliff was arrested on suspicion of assisting an offender. A 20-year-old man from Southend was also arrested on suspicion of assisting an offender. A 17-year-old boy from Kent as arrested on suspicion of assisting an offender and theft of a motor vehicle. All four remain in custody this morning.