Chinese ships on Tuesday collided with a Philippine coastguard vessel and fired water cannons at a civilian boat in an attempt to block a mission to bring supplies to soldiers stationed in a shoal in the disputed South China Sea, Filipino officials said. The collision was caused by “dangerous manoeuvrers and blocking from Chinese coastguard vessels” and resulted in “minor structural damage” to the Philippine ship BRP Sindangan, said Commodore Jay Tarriela, the Filipino coastguard spokesman on South China Sea issues. A Chinese ship also fired water cannons at civilian supply boat Unaizah May 4,…