At least one man was left pouring with blood after a brawl broke out in a pub last night (Saturday).

Video footage taken at the Tudor Arms in Watford shows men throwing punches at each other both inside and outside the pub - and police believe a number of people may have been injured.

Harrow Times:

Pubgoers look on in disbelief as men fight inside The Tudor Arms

It's not yet known what sparked the fight but footage showed several people involved.

The chaos starts inside the Arms with plenty of pushing, shoving, and shouting. One woman can be heard shrieking and numerous glasses can be heard smashing on the floor.

Then a man in a blue t-shirt comes through the crowd, with a bloody nose and blood all over his arm, hand, and t-shirt.

Harrow Times:

Outside, the violence continues with further punches being thrown before a scuffle breaks out in the road. Several people continue the fight on the floor while others desperately try to break it up.

Harrow Times:

A man in a ripped t-shirt lands a punch as the violence escalates

Harrow Times:

Harrow Times:

At least one person is lying in the road with the clashes showing no sign of slowing down

Hertfordshire Constabulary has launched an investigation into the incident.

Police say they were called at 9.50pm to the pub, which was busy with Liverpool facing Tottenham in the European cup final.

A spokeswoman for the force said: “An investigation has been launched following a disturbance in Bushey Mill Lane, Watford, last night (Saturday).

“We were called just after 9.50pm to a report that a number of people were engaged in a physical altercation inside The Tudor Arms pub.

“Officers were immediately dispatched and dispersed the crowd, before speaking to a number of people at the scene.

“We are aware several people may have been injured during the incident and we are working hard to identify those victims. This afternoon, we have been made aware of footage being circulated on social media that appears to show the incident.

“We are now in possession of that footage and will be making further enquiries into the circumstances that led to the disturbance. We ask that people refrain from sharing this footage further as it now forms part of our investigation.

“If you witnessed what happened, or have any further information that could assist our investigation, please contact us quoting reference 41/49394/19. You can report information online at www.herts.police.uk/report, or call 101.”