Cause of Anglesey mountain inferno may remain a mystery say fire chiefs
Firefighters spent more than four hours battling blaze which destroyed 10 acres
Cause of Anglesey mountain inferno may remain a mystery say fire chiefs
![Cause of Anglesey mountain inferno may remain a mystery say fire chiefs](https://www.teenfm.co.uk/wp-content/uploads/2016/03/JS85766458.jpg)
Cause of Anglesey mountain inferno may remain a mystery say fire chiefs
Firefighters spent more than four hours battling blaze which destroyed 10 acres