Dhaka, Jan. 23 -- Iran's powerful Revolutionary Guard has warned the United States that its forces remain on high alert, even as President Donald Trump said Tehran appears willing to enter negotiations.

In a statement aired by state television on Thursday, Revolutionary Guard commander Gen Mohammad Pakpour said his forces have their "finger on the trigger," cautioning both Washington and Israel against what he described as potential miscalculations.

He urged the US and Israel to draw lessons from past conflicts, including what he called the "12-day imposed war," and said the Guard stood fully prepared to carry out any orders from Iran's supreme leader, Ayatollah Ali Khamenei.

Despite the sharp rhetoric, signs of immediate US military a...