Iran supreme leader calls for revenge after father's burial
The threats followed remarks about exchanges of strikes between the United States and Iran earlier in the week, which were triggered by alleged Iranian attacks on three commercial tankers.
Those exchanges have heightened tensions between the two parties, leading Trump to declare the ceasefire over, although he said negotiations aimed at ending the conflict would continue.
Ali Khamenei was buried in his hometown of Mashhad on Friday after about a week of ceremonial observances.
His son has not appeared in public since before the war and is rumored to have been disfigured in the attack that killed his father.
But his statement on Saturday was uncompromising.
"We pledge to avenge the humor of the martyred person and each the martyrs of these 2 wars from the transgression and disgraced killers," he was quoted as saying.
"Vengeance is the volition of our federation and