Police want to speak to two teenage boys after one of them reportedly grabbed a young girl in the woods.
Two girls, aged seven and eight, were near Boston Road in Sleaford when they went missing for around 15 minutes.
During that time on Sunday June 30 around 3.30pm the girls spoke to two boys who were believed to be in their teens.
One of the girls was reported to have grabbed one of the girls by the shoulders.
Neither of the girls were physically harmed, but Lincolnshire Police are investigating and would like to speak with the teenage boys.
Anyone with information is being urged to call 101, quoting incident 356 of June 30.