Police have released dashcam images showing the terrifying moment a knife and hammer wielding gang of robbers swarmed around a car as it sat at traffic lights.

The two victims were out on a Saturday night and were sitting in a Mazda RX5 in North London when two mopeds, carrying four male suspects, rode up on either side and demanded the pair hand over their watches.

One of them brandished a hammer and another a large 'zombie style' knife and after they had taken the watches, one of the gang jumped on the car bonnet, kicking screen twice and shattering it before he made off with the rest of the gang.

During the attack, which tool place at around 6.30 on June 2, on the A406 North Circular Road in Finchley, one of the victims, who is aged 27, suffered a cut to his arm.

Shocking images of the robbery have been released by the police. One of suspects can be seen jumping onto to bonnet

The suspect approaching the ca. Two mopeds, carrying four male suspects, rode up on either side of the vehicle

The incident is the latest involving moped gangs to hit the capital and also comes thugs wielding machetes were seen attacking a motorist in Birmingham yesterday

A moped gang armed with giant 'zombie' knives and a sledgehammer after they ransacked a luxury jewellers in central London.

Less than 24 hours earlier, comic Michael McIntyre had a £15,000 Rolex watch stolen by moped thugs as he picked up his ten-year-old son from school.

Official figures revealed that violent crime is up in 42 of 43 police force areas – in some by more than 50 per cent.

During Saturday evening's incident, which took place at the junction with the A1 and Henley's Corner, an Audemars Piguet Royal Oak watch with a blue face and a Fossil watch were stolen from the victims.

After the robbery, the suspects then jumped back on the moped, heading west on the A406 towards Brent Cross.

As the car waited at the traffic lights on London's North Circular Road, two mopeds, carrying four male suspects, rode up on either side

One of the suspects jumped on to the bonnet and smashed the windscreen by kicking it. The gang made off with watches from the two victims

One of suspects, whose attack was captured on dashcam. One of the victims was treated in hospital for a knife cut to the arm

The incident took place on the North Circular Road in London on Saturday June 2

Detectives from Barnet CID are investigating, and no arrests have been made at this stage.

DC Oliver Kotis from Barnet CID, said: 'This was a shocking attack on innocent people in broad daylight. We are determined to bring these violent criminals to justice, but we need the help of the community to find and arrest these people.

'Anyone who either witnessed this crime, was in the area and has dashcam footage, or anyone with any information should contact police immediately. Your information could be vital in bringing these dangerous men to justice.'

A moped gang claimed another victim on Monday, a 24-year-old woman was punched to the ground during a robbery in Edgware, North London on Monday evening.

The woman, who locals said is a Sri Lankan woman called Meera who lives locally, was attacked in a residential road.

She was punched as she tried to keep hold of handbag and locals said a 'culture of fear' now hangs over the area as they fear they could be the next person attacked.

A witness said the stricken woman suffered head injures and laid on the pavement, slurring her words, before an ambulance arrived.

Anti-knife metal-detecting arch appears near busy London Tube station as police continue crackdown against gang killers

Anti-knife metal detectors were in place at a busy London Tune station as police continued their crackdown on the gang violence that has plagued the capital.

Travellers are Vauxhall, south London, walked through the arches to get to their trains under the watchful eye of a police officer.

The capital has been hit by a wave of knife crime this year with the youngest victim a 13-year-old, who was knifed in Manor Park, east London, an area plagued by warring gangs.

Travellers at a Vauxhall Tube station walk through a metal detector as a police officer watches on

The epidemic of knife crime saw six teenagers stabbed within 90 minutes of each other in a night of carnage across London.

There have been 70 killings in London this year - many of them stabbings - and at one point the capital's murder rate was higher that New York's for the first time.

Earlier this year more than 250 knives and swords were seized across London in just one week where 283 people, many of them teenagers, were arrested for carrying them.

They included 3ft 'zombie' blade found in Lewisham, which was also among the weapons grabbed by brave officers who can take up to 35 of these weapons off the capital's streets every day.

Referring to the measures in place at Vauxhall station, a spokesman said: ‘The Met Police is committed to tackling knife crime and uses a number of tactics to disrupt young people who wish to carry knives.

The Metropolitan Police said the tactic was a 'tried and tested one' designed to disrupt young people who wished to carry knives

‘The use of knife arches at key locations is a tried and tested tactic.

As well as stations, knife arches we installed at branches of McDonalds in Croydon and Woolwich.

​In Croydon, the knife arch was set up temporarily in the restaurant's doorway for two hour periods.

It was manned by a team of around six police officers, on hand to distribute leaflets, offer advice and confiscate weapons.