To reduce South China Sea friction, Beijing and Manila need it in writing

As the Philippines hosted Southeast Asian foreign ministers in late July, the sea would not stay quiet. On July 20, Chinese and Philippine crews fought beside the BRP Sierra Madre with oars and batons; one Filipino sailor was reportedly injured while each side blamed the other.
Days later, with Foreign Minister Wang Yi and US Secretary of State Marco Rubio at the security forum, Philippine vessels went to the Scarborough Shoal. Manila said Chinese ships used water cannons on Philippine ships,...