The humanitarian situation in Syria caused by the country's ongoing conflict, which will soon enter its third year, will lead to a sharp spike in the number of people needing urgent aid, including food, clean water, and vital medical services, the United Nations said Tuesday. 'If the violence continues unabated, we could, in the short term, see considerably more than the current four million in need of urgent assistance and more than two million internally displaced in Syria,' Jens Laerke, spokesperson for the U.N. Office for the Coordination of Humanitarian Affairs (OCHA), told a press conference in Geneva. 'Organizations are struggling to reach more people, in more places, with more aid, but lack of access is still a major obstacle,' Laerke said.