China's Warning to US Ally and Potential Business Impact in South China Sea

China has warned the Philippines that its patience is limited as the country continues to challenge Chinese activity in its exclusive economic zone. The two countries are locked in a territorial dispute in the South China Sea, with the Philippines accusing China of breaching common understandings and heightening tensions. China criticized the Philippines for rallying external forces and attempting to change the status quo at the Second Thomas Shoal. The US has reiterated its commitment to the Mutual Defense Treaty with the Philippines, stating that an attack on Philippine ships or aircraft would trigger the treaty.