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Repair work at Fukushima nuclear plant sees both progress and halt

After continuous water-spraying on Sunday and Monday, firefighters managed to bring down radiation level at reactor No. 3 down and are restoring power to parts of the Fukushima Daiichi plant.

Plant operator Tokyo Electric Power Co., known as Tepco, said reactors No. 1 and No. 2 of the six at Fukushima Daiichi have been reconnected to the power grid, and plans are under way to restart the cooling equipment that has been down since March 11, the Wall Street Journal reported. Tepco also said it was moving closer to reconnecting power at No. 3 and No. 4.

However, engineers on Monday found that crucial machinery at one reactor required repair, a process that will take two to three days, the International herald Tribune wrote. Engineers said they still did not have enough power to fully run the systems that control the temperature and pressure in the building that houses the reactor.

Officials didn’t rule out the possibility of larger radiation discharges but expressed optimism over the situation for the first time since the tsunami destroyed the cooling equipment and backup generators.