Toshiba woes intensify on $6bln writedown reports

Toshiba's financial crisis has deepened on fears it may book a bigger-than-expected $6 billion writedown on its U.S. nuclear business, sending its shares sliding 15 percent. As Sonia Legg reports, it casts doubt on whether measures the beleaguered conglomerate is expected to take to bolster finances - including the sale of a stake in its chip business - will be sufficient.