Akhir 14, 1432 H/March 19, 2011, SPA -- The risk of a worst-case nuclear disaster at Japan's Fukushima power plant is decreasing every day, dpa quoted a senior official of the International Atomic Energy Agency (IAEA) as saying Saturday in Vienna. "I think as the days go by, and as we see now electricity being connected to those (reactor) units, the efforts with the water, that that risk is reducing day by day," senior technical officer Graham Andrew reporters. He specifically mentioned the ongoing injection of seawater into the tsunami-stricken reactors to keep them from overheating. "So things are going in the right direction," Andrew said. However, Andrew allowed that there still was a risk that the situation escalates. "Could we have something unexpected? Most certainly," he said.