'We reject the allegations of any third party's presence near the Azerbaijani-Iranian border,' says Azeri Foreign Ministry as Tehran's military holds drills near the border

Tehran moves forward with military drill over Baku's criticism; Israel is a major supplier of arms to the country

Tehran dismisses Azerbaijan's concerns and protests over surprise Iranian military maneuvers near frontier, says it is a 'question of sovereignty'

Tehran warns that fighting spillover into its territory 'is a very serious red line for the Islamic Republic that should not be crossed'