Beijing has ignored a protest from Manila asking Chinese fishermen to cease harvesting giant clams from the Scarborough Shoal, a group of Filipino fishermen claimed Friday, as bilateral tensions rise anew over the sinking of a Philippine fishing boat by a suspected Chinese trawler.According to Nards Cuaresman – president of local fishermen in the town of Masinloc in Zambales, a province close to the mineral-rich South China Sea – the so-called Chinese maritime militia is using propellers…