OPPOPP have arrested an Elliot Lake girl after an investigation into ongoing threats through social media.  The 16 year old faces charges of uttering threats, criminal harassment and public mischief.  The offences related to messages directed towards the students at Elliot Lake Secondary School.  The girl is in custody and is scheduled to appear for a bail hearing in Sault Ste. Marie tomorrow.  The investigation was done by various members of law enforcement including the East Algoma and Sault OPP and the Sault Ste. Marie Police Service.