UK pressures Facebook to install 'panic button'

London: British officials say they're pressuring Facebook to make a "panic button" available on its Web pages following the death of a teenager at the hands of a man she met on the popular social networking site.(Read: UK teacher kills herself)
     
British child protection authorities have been lobbying Facebook and other social networking sites to install a one-click button which can allow children to get immediate police help if they suspect they're at risk.(Does Facebook need a panic button?)

    
Calls for Facebook to install the button intensified following the kidnap, rape and murder of 17-year-old Ashleigh Hall. Her killer, Peter Chapman, used a bogus Facebook identity to befriend her online.(Read: Indian-origin woman killed) 
    
Harriet Harman, the deputy leader of Britain's governing Labour Party, said today ministers were lobbying Facebook to adopt the button.