July 15 (Reuters) - Iran has warned that its campaign to throttle global energy markets could be expanded from the Strait of Hormuz to the vital Red Sea route if U.S. attacks continue, a threat that depends on its Houthi allies in Yemen.This is why it matters and what it means for the Iran war and the global energy crisis:HOW BIG IS THE RISK TO GLOBAL ENERGY MARKETS?Closure of the Bab el-Mandeb strait — gateway to the Red Sea — would open a new front in the energy crisis and Iran's overarching conflict with the U.S.

By Samia NakhoulBEIRUT, July 14 (Reuters) - Having choked off shipping through the Strait of Hormuz, Iran is now signaling it could play its most dangerous card yet: using Yemen's…

Having choked off shipping through the Strait of Hormuz, Iran is now using the Houthis to extend its threat to global trade and energy supplies beyond the Persian Gulf.