Nigerian elections in 2007 were marred by widespread vote rigging and intimidation and foreign and domestic observers said they were "not credible."

VOA: standard.2009.08.22

"Therefore,they are prepared, but I think the determination, and students will to show their strength, to show that they are not frightened, is stronger than the regime's intimidation and threats."

VOA: standard.2009.12.07

His manifest brilliance and energy remain, along with the bravodo, but these days, the weapon he wields with visitors is likely to be self-deprecatory humor, not intimidation.

FORBES: Larry Ellison

Yet, with Mr Mugabe still holding the main levers of power, violence and intimidation have not abated.

ECONOMIST: Africa's diplomacy over Zimbabwe

The allegations have been denied by Transport for London who said it was not aware of any intimidation.

BBC: Tube cleaners in 'fair wage' call