We are appealing for information after it was reported that two girls, a 10-year-old and a 16-year-old, were approached by an unknown man, whilst walking along Commercial Street, Ystrad Mynach at approximately 8.30am on Wednesday 6th November 2019.
It is believed the man approached the girls, tried to engage them in conversation and followed them for a short distance.
Our enquiries are continuing at this time.
Sergeant Emma Sowrey, of Gwent Police's Caerphilly North local neighbourhood policing team, said; "While this incident was distressing for the children involved, they were not harmed in any way.
"If you any information please call 101 quoting ref 1900410294 or you can send a direct message to our Facebook or Twitter social media pages. You can also contact Crimestoppers anonymously by calling 0800 555111."