TEHRAN, June 7 -- The warning arrived in the language of formal diplomatic censure, but the message was unambiguous: Iran's Foreign Ministry declared Saturday that the United States had become the region's principal source of instability, and that Tehran would not absorb the strikes on its radar infrastructure without consequence.

The ministry's statement, issued hours after US Central Command confirmed it had struck Iranian radar stations at the Goruk facility and on Qeshm Island in response to a wave of Iranian drone attacks, represents the most direct official accusation yet that Washington is systematically dismantling the ceasefire framework both sides nominally agreed to in April. "Repeated violations of the ceasefire by the United...