AN EXPLOSION ROCKED GAZA CITY ON WEDNESDAY, CAUSING NO CASUALTIES, MEDICS SAID. PALESTINIAN MEDICS AND RESIDENTS SAID AN ISRAELI MISSILE WAS FIRED AT A CAR BUT MISSED ITS TARGET. MEANWHILE, AN ISRAELI ARMY SPOKESWOMAN SAID THERE HAD BEEN NO ISRAELI MILITARY ACTIVITY IN THE AREA AT THE TIME OF THE BLAST. PALESTINIAN SECURITY OFFICIALS SAID THE EXPLOSION MAY HAVE BEEN DETONATED BY MILITANTS ON A TRAINING EXERCISE, REUTERS REPORTED.
