Gutter filth! Bowling alley bosses launch investigation after hardcore porn movie is filmed at their venue 

• Pornographic film featuring man and two women filmed at bowling alley
• PSL Bowling Complex in Stirchley is a popular venue for children's parties
• New management team say blue movie was filmed before they took over 

Bosses at a bowling alley which is often used for children's parties have launched an investigation after discovering a hardcore pornographic movie was filmed at their establishment.

Sordid scenes involving two scantily clad women and a man carrying a pair of bowling shoes were filmed in the distinctive interior of the PSL Bowling Complex in Stirchley, Birmingham.

It is believed the blue film was shot several years ago before the current owners took over.

The film shows the trio indulging in sex on the business's colourful furniture, with PSL's bowling alley in the background.

Sordid scenes involving two scantily clad women and a man carrying a pair of bowling shoes were filmed in the distinctive interior of the PSL Bowling Complex in Stirchley, Birmingham 

It is believed the blue film was shot several years ago before the current owners took over

A concerned parent told the Birmingham Mail: 'I wouldn't want my two kids sitting on the chairs seen in these images or bowling there knowing what has gone on.'

When the new management team saw stills of the footage Martin Parsonage, who is in the process of taking over the building's lease, said: 'By hook or by crook, I will find out who is responsible.

'But I know there is nothing that can bring us or PSL into disrepute - because I know we were not involved.'