Refrigerator. Sir my refrigerator not working. Yesterday when i was cleaned my refrigerator, i

Question

Sir my refrigerator not working. Yesterday when i was cleaned my refrigerator, i found the freezor is full of ice. So i cleaned freezor with the help of a knief for removing the ices, suddenly i heared a huge sound in the freezor that the knief got floor of the freezor and there is a small wound found and a huge collection of gas was gone, after that my refrigerator was not worked untill now. please give ur comments.