New Delhi, July 16 -- TEHRAN - Iran's parliament speaker Mohammad Bagher Ghalibaf declared Tuesday that the June 17 ceasefire agreement between Tehran and Washington is now void, saying the country was fighting an "existential war" that left no room for the diplomatic framework that had briefly halted hostilities last month.

Ghalibaf's statement, delivered in a televised address carried by Iranian state media, came as the United States conducted its fifth consecutive night of strikes against Iranian territory, hitting targets in Bandar Abbas, Greater Tunb island, Chabahar, and Qeshm Island. Iranian health officials said at least 35 people were killed and more than 300 wounded in the latest wave of attacks, Al Jazeera reported.

The peace...