The Presidential Compressed Natural Gas Initiative (PCNGi) has called for a thorough investigation to ascertain the cause of tragic incident that involved a cement-laden trailer which claimed lives on Wednesday evening at the Karu Bridge along the ever busy Abuja-Keffi Expressway. An eyewitness at the scene of the ghastly incident said the truck was at a top speed leading to a break failure and in the process rammed into many vehicles resulting into loss of lives. Another eyewitness added that t...