Iran’s Salehi says chemical weapons 'red line' in Syria

TEHRAN,May 1(MNA) – Iranian Foreign Minister Ali Akbar Salehi insisted on Tuesday that use of chemical weapons in Syria would also be a "red line" for Tehran, but suggests rebel forces should be investigated. Salehi said the use of chemical weapons "by anybody is our red line." But he said opposition groups could have used chemical agents and demanded a UN probe.