Founding states outlined a defensive framework covering the Red Sea, Bab al-Mandab Strait and Gulf of Aden, with its headquarters and principal bodies based in Saudi Arabia.
The regional bloc said the return of its Sudan mission signaled a renewed institutional presence in Khartoum after operations were disrupted by the civil war that began in April 2023.
Ukrainian officials said a jet-powered drone hit a postal facility in Sumy, killing two people and injuring others in the latest strike on the northern city.
Russian Telegram channels and a Ukrainian report said a Wildberries warehouse in Simferopol was evacuated and then reported on fire after a drone attack.
US forces disabled a merchant ship near Iran while reported drone and missile attacks reached Iraq, Kuwait and Bahrain amid a widening conflict over regional waterways.
The United States announced duties of 10 percent to 12.5 percent on imports from 60 trading partners, with exemptions for USMCA-covered goods and products already under sector tariffs.
A planned cross-border celebration for the new Detroit-Windsor bridge was scrapped after President Donald Trump announced fresh tariffs on Canadian goods.
Oil markets extended their July rally on the event date as fighting between the U.S. and Iran intensified and traders priced in a wider regional risk premium.
The national average reached the threshold for the first time since June 17, with renewed conflict involving Iran and disruption around the Strait of Hormuz adding pressure to crude and fuel markets.