NEW : A devastating tsunami struck Japan 's Pacific coast after the massive earthquake in March , triggering the worst nuclear accident since Chernobyl as the cores of reactors at the Fukushima Daiichi nuclear plant overheated and spewed radioactive chemicals . The opposition cites his handling of the Flight 31 disaster . The bill needs 240 votes to pass . If it passes , he will have to step down within 10 days .
NEW : The opposition cites his handling of the Flight 31 disaster . The bill needs 240 votes to pass . If it passes , he will have to step down within 10 days .