Oil tanks full to the brink at Libya's oil export terminals are posing a risk to local communities and the facilities themselves, the chairman of the National Oil Corporation, Mustafa Sanalla, warned yesterday. "The militarization of oil facilities, the presence of mercenaries as well as the military escalation increase the risks that hydrocarbons and chemicals stored at oil ports pose to workers and local population," Sanalla said. "This may lead to a disaster that is more severe than Beirut's port and a massive destruction that will cause Libya…