A police inquiry has been launched into a bizarre explosion at the Armed Reserve (AR) Camp of Kochi City Police in Tripunithura, after an officer allegedly attempted to heat blank bullets in a frying pan, officials said on Saturday. The incident, which occurred on March 10, was reportedly triggered when the officer tried to restore rusted blank rounds by heating them on a stove in the camp’s kitchen, instead of drying them in sunlight, the standard procedure.