10:00 News in Brief: Train Accident, Injuries, Trump Raises Tariffs

News from the past hour, concise and substantive:

• A passenger train has derailed in the Ulyanovsk region, with injuries reported; the causes are under investigation.
• Trump has threatened to strike Iran's infrastructure, demanding a swift agreement.
• The U.S. has denied reports of an attack on an aircraft carrier and announced the continuation of operations.
• Iran has announced the downing of an F-35 fighter jet and has provided evidence.
• A fire broke out at an oil refinery in Kuwait due to a drone strike, with no reported injuries.
• The U.S. has imposed new tariffs on the import of medicines and metals.
• Cristiano Ronaldo has recovered from his injury and is ready to participate in the World Cup.
• Businessman Elon Musk's father, Errol Musk, has cast doubt on the Moon landing in 1969.