By Nayera Abdallah and Timour AzhariDUBAI, July 20 (Reuters) - Yemen's Iran-aligned Houthis said on Monday they were imposing a naval blockade on Saudi Arabia, a move that threatens to escalate the conflict in the region and disrupt global energy supply and trade beyond the Gulf.The Houthis' armed forces in a statement said they were declaring "a maritime embargo against the criminal Saudi enemy, based on the equation of 'an eye for an eye', effective immediately".

The group says ban will take effect immediately

SANAA — Yemen's Iran-backed Houthi rebels on Monday announced a maritime embargo of their foe Saudi Arabia, after the pair traded fire last week fo...