Four Philippine navy personnel were injured on Tuesday when Chinese ships targeted their boat with water cannons to block them from bringing supplies to soldiers stationed in a shoal in the disputed South China Sea, Filipino officials said. The navy personnel were aboard one of two supply boats going to Second Thomas Shoal, locally called Ayungin Shoal, which lies 105 nautical miles (195 kilometres) west of the Philippines’ province of Palawan and is within the Philippines’ exclusive economic zone. The Philippine boats were carrying supplies for soldiers stationed on BRP Sierra Madre, a dilapi…