A Royal Navy patrol ship has dealt a “hammer blow” to south American drug traffickers as they seized half-a-billion pounds in cocaine in just five months. In the latest dramatic drugs bust, HMS Trent intercepted and seized £204million of the class A drug, following the pursuit of a vessel in the Caribbean Sea. The UK Ministry of Defence said the actions of the patrol ship had severely impacted the worldwide cocaine trade, as the crew of the vessel had now stopped £511million worth of drugs from reaching the streets of Britain and many other countries. This latest operation came after HMS Trent…