This is the moment a drunken reveller was shot with a police Taser in Wolverhampton city centre.

The burly lout can be seen writhing in agony as he is stunned by the 50,000 volt weapon.

The shaven-headed and topless yob flails around as he is incapacitated after what police today described as drunken and aggressive behaviour.

At one point, a woman Pc appears to offer him a helping hand before he collapses to the floor again.

The scene begins when the man, who police say had been refused entry at a number of bars in the city centre, can be seen swaggering in Queen Street, holding his shirt at around 11.45pm on Saturday.

He adjusts his trousers as a line of at least four officers stride towards him, followed by a police van.

A flash appears from the hand of one officer in what could be the moment the weapon is fired.

The camera then cuts to the suspect lying in the gutter outside Nando’s restaurant – the metal cables from the weapon still embedded in him as an officer shocks him.

At one point, at least six officers surround the man as they make sure he has been subdued.  Passers-by stand and watch and at one point, several officers sprint up Queen Street towards the city centre to deal with another call.

The man is eventually helped to his feet and put into the back of a waiting van to be taken away.

West Midlands Police spokeswoman Sam Bates said today: “A 21-year-old man from Blakenhall was being drunken and aggressive towards door staff and was refused entry at various locations in the city centre.

“Officers were called to Queen Street, where the man was being threatening to the officers and he was Tasered.

“He was taken to hospital as a precaution. He was released soon after and cautioned for public order offences.” Front line police officers in Wolverhampton were given Tasers, which work by disrupting a suspect’s muscle movements, for the first time in January.

Until then, only firearms officers have been allowed to carry the weapons, which they had used 93 times in the West Midlands between 2004 and the start of this year.

Officers undergo four days of detailed training, including tests of judgement and accuracy. In nearly three quarters of uses, a warning red dot has been enough to make the suspect comply with officers.

And bosses say they are less likely to cause serious injury than blows from the police baton.