Video matrix 20/06/2014: World Cup protests, NASA, Kenya detains two men, how to cut cake, and squirrel rescue

1. Chilean fans confront police over ticket prices

Football fans protest outside the Maracana in Rio de Janeiro over the price of last minute World Cup tickets.

2. NASA unveils Orion spacecraft

The space agency reveals its latest spaceship currently being assembled in Florida, in the hope of carrying astronauts deep into the unknown.