By Maha El Dahan and Andrew Mills DUBAI, March 1 (Reuters) - Loud blasts were heard in Dubai and the Qatari capital Doha for the second day on Sunday, witnesses said, as Iran's retaliatory strikes on neighbouring Gulf states in response to U.

US naval forces move closer to the region as Iran signals willingness to negotiate. "At this point, if this doesn't happen, it will only embolden the regime," said Saudi Defense Minister Prince Khalid bin Salman.