The strike was suspended after the government promised a wage review.

BBC: South Africa farm workers get 52% pay rise

Another hacker known as th3j35t3r, who has previously sided with the U.S. military against online extremist groups, promised in his twitter feed to strike back at LulzSec.

FORBES: Testing The Limits, LulzSec Takes Down CIA's Website

ATHENS Tens of thousands of demonstrators took to the streets of the Greek capital as the country's two biggest unions staged a 24-hour general strike to protest record unemployment and continuing austerity measures the government has promised its international creditors.

WSJ: General Strike Hits Greece

Since the UN imposed fresh sanctions on North Korea in February in response the North's third nuclear test, Pyongyang has promised to restart a mothballed nuclear reactor and threatened a nuclear strike against the US mainland.

BBC: Kerry hails Chinese North Korea pledge

It promised to use "cutting-edge smaller, lighter and diversified nuclear strike means of the DPRK" and said the "merciless operation of its revolutionary armed forces in this regard has been finally examined and ratified".

BBC: Korea crisis: UN's Ban warns of 'serious implications'

In December workers at Mercedes's Sindelfingen factory near Stuttgart went on strike after the company said it would shift production of its C-Class cars to Alabama, so Mercedes promised to maintain employment at the plant until 2020.

ECONOMIST: How Germany weathered the recession