Police have released a picture of a man they want to speak to after an 83-year-old woman was sexually attacked in her driveway in Stoke Poges and a teenager was attacked in Slough.

The first incident took place in Slough on Friday at around 2.15pm at the junction of Salisbury Avenue and Essex Avenue.

A 15-year-old girl was walking when a man stopped his car and asked her for directions.

He then asked her to put in the directions into his sat nav and invited her towards his car, opening his door and attempting to push her in.

She screamed and pushed against the car. The offender pushed her into the road and then drove off towards Farnham Road.

Police said the victim was not injured as a result.

The second attack took place in Stoke Poges on the same day at around 2.30pm.

The victim, an 83-year-old woman, was approached in the driveway of her home by a man who told her he was from the council.

When she challenged him for ID, he said he would return to his car to get it.

He came back to her driveway shortly afterwards and sexually assaulted her, then left the scene.

The victim is said to have sustained minor injuries during the incident but did not require hospital treatment.

The victim is being supported by specially trained officers.

In both incidents, the offender was driving a grey or silver car, believed to be a Ford Mondeo.

Senior investigating officer, Detective Chief Inspector Christina Berenger, said: “We believe that these two incidents could be linked, and that the man in this image could have vital information about both of them.

“I understand that there will be concern in the community about these offences, but I would like to reassure people that we are conducting a full and thorough investigation.

“There will be an increased police presence in both areas while our investigation continues. If you have any questions or concerns, please approach one of our officers.

“I would like to ask anyone who recognises this man, or who has any information about his whereabouts, to please get in touch.

“If you witnessed either of these incidents, or have any information which you think could be relevant to our investigation, I would also like to hear from you.”

Anyone with details is being urged to call 101 quoting reference 700 (24/8), or call Crimestoppers anonymously on 0800 555 111.