Oil chiefs pull out of Riyadh energy congress after airport missile strike

Several oil company chiefs, including BP's Bernard Looney, have pulled out of the World Petroleum Council meeting in Riyadh after a missile strike on the city's airport killed 12 people, reportedly including a civilian. The attack, claimed by Yemen's Houthi rebels, has raised concerns about the safety of attendees and the stability of the region. The event is expected to proceed with enhanced security measures.