Washington/ Tehran, Feb. 28 -- President Donald Trump has described the attack on Iran as "massive and ongoing," as the United States and Israel on Saturday launched strikes on Iran after weeks of threats.

Both Washington and Tel Aviv have been demanding that Tehran scrap its nuclear programme or face a new round of attacks.

"The United States military is undertaking a massive and ongoing operation to prevent this very wicked, radical dictatorship from threatening America and our core national security interests," Trump said in a video message. "We are going to destroy their missiles and raze their missile industry to the ground."He said Iran had been working to rebuild its nuclear programme after a June US bombing run on its nuclear faci...