India, July 10 -- A masked attacker stabbed a man to death in London's exclusive Knightsbridge area this week, in what appears to be the latest in a disturbing wave of violent watch thefts attributed to so-called "Rolex Rippers", The National reported.

The thieves, often masked and riding bikes or scooters, are known for targeting people wearing high-end watches such as Rolexes. This latest attack, which took place around 9 PM near a luxury department store and a five-star hotel, has raised further alarm about the growing boldness of these criminals.

The victim, a 24-year-old man, was reportedly with his partner when he was attacked. According to staff at a nearby restaurant, the suspect was wearing a balaclava, consistent with the disg...