President Donald Trump vowed to hit back hard at Iran after it attacked US bases in Jordan on Wednesday, as the Middle East war reignited and once again drew in the Islamic republic's proxies.The warning came after a short lull in the fighting that had spurred hopes of a return to negotiations appeared to draw to an end, sending oil prices jumping five percent over fears of disruptions to global supplies.On Wednesday, Saudi Arabia and the United States announced strikes on militant bases in Iraq, while US ally Israel accused Iran-backed Hezbollah of a truce violation.- 'War by other means'...