Police are hunting violent moped riders after two terrifying robberies in less than an hour in Lewisham and Beckenham.

The first incident was in Albion Way in Lewisham at 1.30pm on Sunday (June 24) as two men walked through a car park.

The victims, 26 and 32, noticed two men on mopeds who drove towards them and mounted the pavement before reaching into their bags.

In fear of a weapon being brandished, the 26-year-old man handed over his ring and watch as the suspects fled.

At 2.15pm two men, 17 and 58, were walking in Hayes Lane in Beckenham when two suspects approached on a moped.

The moped riders mounted the pavement before dragging the 58-year-old into the road and snatching his necklace.

A bus stopped in Romanhurst Gardens before passengers tried to intervene.

One of the suspects then threatened the 17-year-old boy with a firearm before the teenager surrendered his necklace.

The suspects, who rode off towards Shortlands Road, were described as wearing black helmets, tracksuits and gloves.

Police believe the two incidents are linked.

Detective Sergeant Miles Fuller, from Bromley CID, said: "Although our investigation is in its early stages, the two incidents are being treated as linked and I would urge any witnesses get in touch.

"The victims have understandably been left terrified by this violent behaviour and we are working tirelessly to find those responsible.

"These were brazen offences in broad daylight and I would advise all members of the public to be vigilant of thieves who may be on the look out to steal items of jewellery that are easy to grab and steal."

Anyone with information is asked to call Bromley CID on 101 and quote 4489/24Jun.