The Philippines on Monday accused Chinese coast guard personnel of striking one of its sailors on the head with a wooden baton during an encounter in the South China Sea, an incident its defence ministry described as part of a "clear pattern of provocative and hostile behaviour" by Beijing.The sailor was injured and a rubber boat of the Philippine navy was damaged in the incident at Second Thomas ⁠Shoal, the military said in a statement.A Chinese coast guard rigid-hull inflatable boat with eight personnel approached its grounded warship on Second Thomas Shoal and took photos and videos, the Philippine military said. When two Philippine navy boats moved to drive ​the ⁠Chinese vessel away, the personnel "reacted violently and ‌aggressively by striking Philippine navy personnel with a wooden baton". The Philippine military released a 25-second video clip showing the alleged encounter.The Philippine military called on the People's Liberation Army and the Chinese coast guard “to put a stop to their illegal, coercive, aggressive and deceptive actions within the West Philippine ⁠Sea”.Asean ministers are gathering in Manila this week for high-level meetings. Chinese foreign minister Wang Yi is due to be in attendance and tensions in the South China Sea are expected to be discussed.Manila's foreign ministry said the "act of violence" against its navy personnel was "unacceptable" and warranted diplomatic action.The Second Thomas Shoal is within the 200-nautical mile exclusive economic zone of the Philippines and about 1,300km from mainland China, which refers to it as the Renai Reef.A pilot reads out a radio challenge against Chinese vessels from aboard a Philippine Bureau of Fisheries and Aquatic Resources plane in Scarborough Shoal, South China Sea (Getty)The Philippines routinely accuses China of disrupting resupply missions to troops on the ‌grounded vessel. A June 2024 incident at the shoal had turned ⁠violent and resulted in a Filipino sailor losing a finger.The confrontation later led to a provisional understanding with China to allow resupply missions to the grounded ship.China denies allegations of aggressive conduct ‌during encounters in the South China ​Sea and accuses the Philippines of trespassing ‌in its waters.The Chinese embassy in Manila and China's defence ministry did not immediately respond to requests for comment.