Police described the incident as an incredibly traumatic experience . A teenage boy was one of a number of people held at gunpoint during an incredibly traumatic armed robbery in Lambeth, south London, recently. The burglary took place at an estate along Lansdowne Way in Lambeth on the evening of Sunday April 18. At around 5.30pm, a 17-year-old boy answered a knock on the door to a stranger who, along with two other men, forcibly entered his home without permission. All were armed with weapons including a firearm and knife. The young boy was held at the address for around three hours alongside four other occupants, all threatened at gunpoint, a police statement described.