CHILLING footage has emerged showing a man armed with a huge knife running through the streets of Barcelona.
A video shared on social media depicts an armed suspect running through the streets of Placa de Sant Jaume, charging at people with loud screams heard in the background.
The man can be seen running through a narrow alley surrounded by gothic-style buildings while brandishing his sharp blade.
Chilling screams can be heard from other people nearby who fled the scene to escape the horror.
At one point, the man with the knife can be seen facing one of the locals who was filming the incident on his phone.
He appeared to be chasing an old man in a black t-shirt.
Local media reports that the man allegedly attacked another person on the head.
Cops have now arrested the man and an investigation is underway, according to local media outlet El Caso.
The suspect is said to be suffering from mental health problems, the outlet reported.
The motive behind the attack is still unknown.
Meanwhile, shocking footage showed the moment machete-wielding thugs fought in a vicious street brawl outside a nightclub.
Four people were arrested and two were injured following the incident at Tabu nightclub on Dover Street in Mayfair, London.
Cops arrested one man at the scene in the early hours of Sunday morning and then detained another three men in Hertfordshire later in the night.
Footage shows a man in a green jacket appearing to brandish an illegal machete as he squared up to what looks like a security guard.
Another two yobs were seen hurling metal poles and traffic cones as shocked bystanders watched on.
The clip ends after others step in to stop the fight with voices also heard screaming off camera.
The thugs were then seen walking back to their car as the chaotic brawl died down.
It comes after thugs armed with foot-long machetes fought on a tube station platform in full view of terrified commuters.
In a startling video, individuals wearing hoods and armed with knives were captured at Queensbury station in North West London on Monday evening, showcasing the escalating knife crime crisis in London.
In the video, viewed 200,000 times on a local residents’ Facebook group, the armed thugs fight on the edge of the Jubilee line station’s platform.
Transport for London figures show crimes reported on the London Underground have spiralled to the highest on record.
