Snowden associate to sue UK for detention

The partner of a US journalist with close links to the whistleblower Edward Snowden is launching legal action against Britain for detaining him under anti-terror laws. David Miranda, a Brazilian national, was held for almost nine hours on Sunday as he passed through London's Heathrow Airport. His partner Glenn Greenwald is the journalist behind some of the Edward Snowden leaks. Al Jazeera's Barnaby Phillips reports from London.