Violence and instability again defined parts of the global picture today. In Pakistan’s restive Balochistan province, at least 24 people were killed when a blast struck a train carrying military personnel and their families, an attack claimed by separatist militants and a grim reminder of the region’s persistent insurgency. In the Gulf, attention stayed fixed on Iran: reports suggested Washington and Tehran are edging toward a preliminary nuclear understanding, though conflicting accounts over Iran’s enriched uranium stockpile underscored how fragile any breakthrough remains. That uncertainty helps explain why the Royal Navy is preparing for possible mine-clearing operations in the Strait of Hormuz, a key artery for global energy supplies, if diplomacy produces the conditions for action. Elsewhere, British police are examining an allegation involving Andrew Mountbatten-Windsor, while Australia mourned another fatal shark attack on the Great Barrier Reef.