A school in Chorley has sent an email to parents after pupils claim to have been followed by men in masks last night in Astley Park. Parklands High School, Southport Road, Chorley, sent an email to parents today (Tuesday) warning them. The email read: "Dear Parents, "I have just been advised by Parklands of a safety warning. "Some Parklands students have reported that they were followed by boys/men in masks in Astley Park last night. READ MORE: Joshua Charnley is hosting “An Evening With” at Rivington Brew Co Tap to celebrate launch of his own beer "This made them anxious and they called the police to assist." Urging parents and guardians to be cautious, they added: "Please be aware of this and consider how/where your child is walking alone." The school and police have both been approached for comment.