A disgusted motorist called police on Friday afternoon claiming to have spotted a man molesting a horse in Feltham.
Officers rushed to the field, just off the A30, at 4.25pm and swiftly arrested a pensioner found at the scene.
A police spokeswoman said: "We were called by members of the public who said they had witnessed inappropriate behaviour or an assault on a horse in a field near the A30.
"A man believed to be in his 60s has been bailed to return to a west London police station on a date to be confirmed."
Pensioner arrested for molesting horse
A disgusted motorist called police on Friday afternoon claiming to have spotted a man molesting a horse in Feltham.
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