TAIPEI, Taiwan (AP) — China’s coast guard accused the Philippines of deliberately crashing one of its ships into a Chinese vessel early Monday near Sabina Shoal, a new flashpoint in the increasingly alarming territorial disputes between the countries in the South China Sea.

Two Philippine coast guard ships entered waters near the shoal, ignored the Chinese coast guard's warning and “deliberately collided” with one of China’s boats at 3:24 a.m., a spokesperson said in a statement on the Chinese coast guard's website.

Philippine authorities did not immediately comment on the encounter near the disputed atoll in the Spratly Islands, where overlapping claims are also made by Vietnam and Taiwan.

“The Philippine side is entirely responsible for the collision,” spokesman Gan Yu said. “We warn the Philippine side to immediately stop its infringement and provocation, otherwise it will bear all the consequences arising from that.”

Gan added China claimed “indisputable sovereignty” over the Spratly Islands, known in Chinese as Nansha Islands, including Sabina Shoal and its adjacent waters. The Chinese name for Sabina Shoal is Xianbin Reef.

In a separate statement, he said the Philippine ship that was turned away from Sabina Shoal entered waters near the disputed Second Thomas Shoal, ignoring the Chinese coast guard’s warnings. “The Chinese coast guard took control measures against the Philippine ship in accordance with law and regulation,” he added.

Sabina Shoal, which lies about 140 kilometers (87 miles) west of the Philippines' western island province of Palawan, has become a new flashpoint in the territorial disputes between China and the Philippines.

The Philippine coast guard deployed one of its key patrol ships, the BRP Teresa Magbanua, to Sabina in April after Filipino scientists discovered submerged piles of crushed corals in its shallows which sparked suspicions that China may be bracing to build a structure in the atoll. The Chinese coast guard later deployed a ship to Sabina.

Sabina lies near the Philippine-occupied Second Thomas Shoal, which has been the scene of increasingly alarming confrontations between Chinese and Philippine coast guard ships and accompanying vessels since last year.

China and the Philippines reached an agreement last month to prevent further confrontations when the Philippines transports new batches of sentry forces, along with food and other supplies, to Manila’s territorial outpost in the Second Thomas Shoal, which has been closely guarded by Chinese coast guard, navy and suspected militia ships.

The Philippine navy transported food and personnel to the Second Thomas Shoal a week after the deal was reached and no incident was reported, sparking hope that tensions in the shoal would eventually ease.

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Gomez reported from Manila, Philippines.