THE mother of an 18-year-old girl who died in 2015 is 'devastated' after yobs started a fire near her memorial bench yesterday.

Alison Biddle said on Facebook: "Please have some respect for our family and what we have been through.

"Megan's friends worked tirelessly fundraising for this memory of her, they had to pay for a new floor in the summer as there had been a fire started on the last flooring.

"Please people, think of the effect your mindless vandalism is having on an already devastated family."

READ AGAIN: Megan's death 'left a hole in the lives of all who knew her'

She was responding to a post on the Spotted: Thame page, from a witness who tried to approach the group who had set the fire.

Three youths are said to have lit a fire on the matting where Megan's Bench is and a fire engine was called out.

The post alleged that they 'legged it when they heard the sirens, laughing and shouting'.

Megan Biddle, a student at Lord Williams's School in Thame, died after taking an accidental overdose of migraine medication.

Her mum, in a further post on Facebook this morning, said thankfully this latest fire had not caused long-lasting damage.