US-Iran Ceasefire Collapses in Under a Month as Both Sides Trade Strikes and Rhetoric Escalates

The Islamabad Memorandum, signed June 17, 2026 under Pakistani mediation, lasted under a month. Washington re-imposed sanctions, struck Iranian military sites including Greater Tunb, and targeted IRGC weapons procurement networks. Iran's lead negotiator Ghalibaf declared an "existential war with America." Five days of strikes followed across the Persian Gulf. Pakistan urges renewed dialogue. Neither side signals flexibility.