You will be given a definition of a task first, then some input of the task.
In this task, you are given an article. Your task is to summarize the article in a sentence.

Eight crews were called to RB Skip Hire Limited on Station Road, Chepstow, at about 16:30 BST on Thursday after the blaze broke out.
On Saturday, head of control at South Wales Fire and Rescue Service, Jennie Griffiths, tweeted that the investigation had finished and the cause was ruled to be accidental.
No casualties were reported.
Output:
The large fire which tore through a skip hire company in Monmouthshire started accidentally.