Jason Kempin/Getty Images
Grumpy Cat attends the premiere of Disney's 'Cinderella' - doesn't look like he's enjoying it.
The index opened in the red, came close to breaking even after the Bank of England kept interest rates unchanged, but then turned down again after the US opened lower.
US markets fell after better than expected jobs numbers, which traders fear could make a interest rate rise from the Federal Reserve more likely.
Markets across Europe are in the same boat as the FTSE - Germany's DAX is down 0.85%, the Euro Stoxx 50 is down 1.44%, and France's CAC-40 is down 1.39%.