Parents are being warned to be on guard after reports of a man in a white van approaching children at Feltham schools.
A staff member Southville Infant School said: "There have been a couple of reports this week of children approached by men in white vans in the nearby area. "We get this all the time, when it comes through we just pass it on (to other schools). The police have been told."
Parents of children at Bedfont Junior School were also warned about the unwanted visitors.
Incidents are said to have occured in the past week according to the School Watch bulletin.