TORONTO - A man facing explosives and weapons charges as part of a G20 security investigation has been denied bail.

Byron Sonne was arrested June 22 and accused of possessing dangerous weapons and explosives for an unlawful purpose, among other charges.

Sonne's wife, Kristen Peterson, was also arrested but later released on bail with the condition she have no contact with her husband and live with her parents.

The 37-year-old Sonne also stands accused of mischief, attempted mischief and intimidating a justice system participant.

Friends and family have rallied around the Internet security expert, with one friend saying the charges against Sonne are a huge misunderstanding.

Details of evidence presented in court are under a publication ban.