By Enas Alashray, Idrees Ali and Jana ChoukeirCAIRO/WASHINGTON/DUBAI, Sept 9 (Reuters) - Iran said on Wednesday it had attacked 10 ships near the Strait of Hormuz after the U.S. sank five Iranian oil tankers, in the biggest declared wave of tit-for-tat attacks on shipping by both sides since the start of the six-month-old war.

The US and Iran attack tankers in Strait of Hormuz, as the two sides try to exert control over the strategic waterway.

The US attacked four oil-carrying vessels in the Gulf of Oman and one in the Strait of Hormuz. Iran's Revolutionary Guard said it struck a US base in Jordan and ships trying to…