a flaw dlovered in its mirror almost made it worthless. n.a.s.a. despatched a crew to correct the area. hubble is expected to keep operating, but an instrument 100 times more powerful the web-space telescope is due to be launched in 2018. >> one of the hopes is we have web and hubble operating at the same time, opening a new window on the universe. >> one likely to produce more revelations about worlds yet to be discovered. >>> evacuation orders have been issued in towns within 20km of an erupting volcano, in southern chile. cobbual co erupted twice within 24 hours after being dormant for 40 years. a giant cloud has dropped up to 50 september meters of volcanic ash in some areas. more on the website at >>> they are cops for hire, complete with a badge, gun, and patrol car. >> there's only so many police officers in the city. if they want constant presence, then they have to take that responsibility on themselves. >> they're going to have to pay for it? >> correct. >> i'll tell you how public police officers working private security is a risky busin