Ayatollah Ali Khamenei tries to stop annual event celebrating the last days of winter . He urges Iranians to avoid ancient practice of fire jumping , feasting on Chaharshanbe Soori . He says festivities have no basis in Islam and can cause `` harm and corruption '' especially among young people who are not properly educated about religion or culture. "
Ayatollah Ali Khamenei tries to stop annual event celebrating the last days of winter . He urges Iranians to avoid ancient practice of fire jumping , feasting on Chaharshanbe Soori . He says festivities have no basis in Islam and can cause `` harm and corruption '' Iran is beefing up security to ensure `` order and calm '' during the two-week festivities .