It can therefore be easy to deny, in collusion with parallel interests, the evidence of the implementation of the process of cold fusion.

FORBES: Cold Fusion: Theory or Fact?

"Diamond production must not be governed by a predatory elite which is in collusion with mining companies for its own benefit, " he was quoted as saying at the conference by South Africa's Business Day newspaper.

MSN: Zimbabwe diverts $2 billion in diamonds: gem watchdog

And RMT general secretary Bob Crow said train companies "with the collusion of the government, will be jacking up fares by up to 6% in the new year as they launch a full-frontal assault on passengers in the name of profit".

BBC: Rail commuters face 6.5% fare rise