DUBAI, United Arab Emirates (AP) — Iran attacked commercial ships on Wednesday across the Persian Gulf and targeted Dubai International Airport, escalating a campaign of squeezing the oil-rich region as global energy concerns mounted and American and Israeli airstrikes pounded the Islamic Republic.

Comments come amid speculation over the health and whereabouts of Khamenei; Thai navy responds to attack on bulk carrier

The sinking of an Iranian warship by a U.S. Navy submarine last week became a diplomatic embarrassment for New Delhi.