French President Macron said if the US and Iran reach an agreement, a Strait of Hormuz task force could be fully deployed within 2–3 days.

Russia’s defence ministry said overnight its air-defence systems intercepted and destroyed 123 Ukrainian drones across multiple areas including Moscow region and Belgorod region. The ministry said Russian forces responded with long‑range precision‑guided weapons and attack drones, striking military‑industrial facilities and military airfields in Kyiv, Kharkiv and Dnipropetrovsk. The Ukrainian Air Force said Russian forces launched a large‑scale strike from 18:00 on June 14 to the early hours of June 15, recording 681 incoming targets — including six Zircon hypersonic cruise missiles, dozens of other missiles and 611 drones — and that by 08:00 Ukrainian forces had shot down or electronically suppressed 632 targets.

June 15, Guangzhou — Guangdong provincial government and China Southern Power Grid signed a comprehensive '15th Five-Year' strategic cooperation framework. The agreement commits both parties to high-level, pragmatic cooperation on: building a new-energy system and a new power system; developing coordinated transmission-distribution-microgrid operations; guiding economy-wide green, low-carbon production and consumption shifts; creating a globally influential energy and power technology industry cluster; and deepening power-sector reform and safety governance. The framework aims to accelerate China Southern Power Grid's development into a world-class company and support Guangdong's leading role in China’s modernization drive.