A Chinese navy helicopter flew within 10 feet of a Philippine patrol plane on Tuesday in a disputed area of the the South China Sea, as the Filipino pilot warned by radio: “You are flying too close, you are very dangerous.

The Philippine Coast Guard (PCG) on Wednesday condemned the dangerous maneuvers of a China People’s Liberation Army (PLA) Navy helicopter against a Bureau of Fisheries and Aquatic Resources (BFAR) aircraft in a recent encounter in the West Philippine Sea (WPS).

Tensions over Scarborough Shoal have increased markedly since the middle of last year, when Beijing and Manila reached an “understanding” over another disputed shoal.