LJUBLJANA, Slovenia (AP) — More than 30 people are facing charges in Slovenia, police said Saturday, for clashing with police during anti-government protests in the capital that left more than 15 people injured and fueled tensions on the eve of a presidential election in the economically struggling EU nation.

The demonstrators, who were detained after Friday’s clashes, have been released pending further investigation, said police spokeswoman Maja Ciperle Adlesic. The 33 people been charged with violating public order and will face further charges for attacking police, she said.