Srinagar, April 1 -- In a stark warning, an adviser to Iran's Supreme Leader Ayatollah Ali Khamenei said on Monday that if attacked by the US or its allies, Tehran would have no choice but to pursue nuclear weapons for its defence.

The remark came after Khamenei vowed retaliation if the US followed through on PresidentDonald Trump's threat to bomb the Islamic Republicshould it refuse to curb its nuclear programme.

"We are not moving towards (nuclear) weapons, but if you do something wrong in the Iranian nuclear issue, you will force Iran to move towards that because it has to defend itself," Khamenei's adviser Ali Larijani told state television, as reported byFrance 24.

"Iran does not want to do this, but . [it] will have no choice," L...