A PILATES instructor said she had to cut her class short to call 999, after youths began hurling bricks at the building.

Ros White was running one of her Real Results Fitness Pilates sessions in Bicester last night, when her class become the target of antisocial yobs.

Posting on the Bicester General Chat Facebook page, she said: "In my 12 years of teaching fitness, I have never before had to stop a class and call 999 because the building was being bombarded with bricks being thrown by local youths.

"I'm beyond shocked at their behaviour. Is the whole of Bicester being destroyed by their disgusting antics?"

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Ms White, who grew up in Bicester but now lives just outside of Oxfordshire, said antisocial youths had 'virtually made Sainsbury's and Wilkinsons no-go areas and there have been countless incidents of them being abusive to staff in Subway.'

The instructor had been holding the class at Bicester East Community Centre, in a residential area of the town, which is a venue she has used for eight years.

The incident happened at about 6.40pm and Ms White said after trying to get hold of security, she resorted to calling 999 as she was afraid the situation would escalate.

As soon as police arrived, she said the group scattered.

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She wrote in the post: "It would be a terrible shame if I was forced to stop.

"If any of you know who any of these youngsters are please tell the local police.

"If you think any of them could be your children please have the decency to remind them what's right and wrong."

Ms White told the Oxford Mail that some of her class members were visibly distressed by what had happened.

She said the culprits were among a group of young boys and girls, who had gathered outside the centre in Keble Road.

She said the first brick was aimed at the inner door of the community centre, then others were thrown at the other side of the building.

Ms White explained: "I stopped the class as my ladies were getting quite distressed.

"They looked out of the windows and saw there was a group of youths outside, girls and boys, who were shouting and swearing.

"It just seemed like they were aiming to cause disruption and distress.

"They caused some damage to the door."

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She said she has had to tolerate some mischievous behaviour in the past, such as 'kids running in the foyer,' but she had been able to move them on without issue.

She added: "This was completely different. I don't scare easily, but it was very distressing.

"This is what happens when there's no infrastructure in a town that is growing so rapidly.

"I've worked in this job for companies before but always wanted to work in the community, because there's a section of the population that don't want to join the gym - they want to go somewhere close to where they live.

"Some of my ladies walk in, and don't feel safe to do that now."