A mother out with her three-year-old son was horrified after she spotted a semi-naked man "aggressively" masturbating in his car in Orpington.

Tayla Hodgson, 19, was out with her son, two friends and their daughter yesterday (June 6) when they spotted a blue BMW parked on the kerb in Broomwood Road just after 1pm.

Miss Hodgson, who lives in nearby Ravenscourt Road, said: “As I walked past the car I looked in and then looked away and thought did I just see that?

“He was looking in the direction of my son and my friend’s little girl, and there were kids playing in a garden nearby.

“He was obviously masturbating; he was naked from the waist down, completely naked. He had no trousers or pants on at all.

“He was aggressive; he was doing it really aggressively.

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“To be honest I didn’t know what to do. I was a bit shocked, and because my son was coming up the road I panicked. My friend shouted through the window ‘oh my god’ and he sped off.”

She said luckily none of the children witnessed the act as they stopped them from coming closer to the car.

The stay-at-home mum added: “I had a bit of a delayed reaction, I was so taken back.

“I thought maybe I’m seeing things; maybe he had his phone out in his lap.

“When my friend shouted he didn’t even look at her, he didn’t pay much attention to us.”

She described the man as of stocky build and in his 30s or 40s.

After he left she dialled 999 and knocked on the house where the children were playing and told them what happened.

Miss Hodgson added: “I’m quite concerned. He was just sitting there in broad daylight.

“If he can do that in the middle of the day what would he do at night when no one was around?

“If my son had seen that how do I explain that to a three year old?”

A spokesman for the Met Police said: ”We were called at 1.30pm to Broomwood Road to reports of a man performing a sex act on himself in a car.

“Bromley officers investigate. Enquiries continue and there have been no arrests.”