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LONDON (Reuters) - The deputy head of Iran’s Revolutionary Guards warned U.S. and Israeli leaders on Monday to expect a “devastating” response from Iran, accusing them of involvement in Saturday’s attack on a military parade in the city of Ahvaz that killed 25 people.

“You have seen our revenge before ... You will see that our response will be crushing and devastating and you will regret what you have done,” Hossein Salami said in a speech before the funeral of the victims in Ahvaz, broadcast live on the state television.