Serbian Camp Fire and Shooting Spur Political Tensions
Camp stood since March as counter-protest to anti-government protests.
Demonstrations began after Novi Sad canopy collapse in March.
Vladan Andjelkovic entered tent with gasoline canister, fired at supporter, then set fire.
President called it an awful terrorist attack with political motive.
Health minister said injured supporter needs surgery.
Incident heightened tensions before Novi Sad anniversary rally.
President noted 11 months without casualties.
2 weeks ago