LONDON: David Beckham and Victoria Beckham are refurbishing their new £50 million mansion and fitting it with a panic room. The couple has bought a seven-bedroom home near Kensington Palace in London and is going to install a state-of-the-art security system including the room which the family could hide in if intruders broke in.  A source told the Daily Mirror newspaper:  The 39-year-old fashion designer and the 38-year-old retired soccer star - who have four children, sons Brooklyn, 14, Romeo, 11, and Cruz, eight, and two-year-old daughter Harper - are also having an underground spa, pool and restaurant.–Expo