A man is reported to have been “touching himself indecently in public”, Gwent Police has said.
The first report is said to have happened in Cobden Street, Crosskeys, at around 1pm on Friday, December 6.
The man is said to have exposed his genitals and ran away when challenged.
Police say the man was wearing a black coat with a gold motif on the arm and light coloured jogging bottoms.
The second incident is reported to have happened along the canal path in Risca at around 3.30pm on Tuesday, December 10. The man was said to have been touching himself indecently.
Again, the man ran off when challenged.
Police say he was wearing black tracksuit bottoms and a black jacket.
Police believe the same man is responsible for the two incidents.
He is described as being white, around 6ft tall, aged between 18 and 30 and having short, brown hair.
Aled George, Gwent Police’s inspector for Blackwood and Risca, said: “The two incidents are understandably concerning for local residents. I’d like to emphasise that on each occasion, the behaviour was not directed towards any children and none were present.
“We are carrying out enquiries to identify and deal with the person responsible. Extra patrols are being carried out by local officers and if anyone has concerns, please do speak to them.”
Anyone with information can contact Gwent Police on 101, quoting reference 1900364432.
Gwent Police can also be contacted through direct message on Facebook or Twitter.