Dhaka, April 22 -- A senior Iranian adviser has rejected U.S. President Donald Trump's ceasefire extension, saying it "means 'nothing'" and is "certainly a ploy to buy time for a surprise strike".

Mahdi Mohammadi, an adviser to Iran's parliament speaker Mohammad Bagher Ghalibaf, made the remarks in a post in Persian on X.

He said the continuation of Trump's "siege" is "no different from bombardment" and must be "met with a military response". He added: "The time for Iran to take the initiative has come."

Tensions remain high as U.S. naval forces continue to enforce a blockade in the Strait of Hormuz. American forces also boarded an Iranian-flagged cargo ship on Sunday, after Iran had effectively closed the key shipping route for weeks....