About 3, 000 members of Nipsa are staging an indefinite strike over pay and job re-grading.

BBC: NEWS | UK | Northern Ireland | Classroom dispute talks continue

Tourists left Darjeeling in a hurry after the sudden call for an indefinite strike by the GJM earlier this month.

BBC: India tea region strike resumes

Mr Khandait said the union was also considering an indefinite strike in Assam's tea gardens if management did not accept their demands.

BBC: NEWS | Business | Strike hits Indian tea production

Tea industry sources say the more than 250 tea estates in Darjeeling and its foothills are likely to be affected by the indefinite strike.

BBC: India tea region strike resumes

Transport workers in Bolivia have begun an indefinite strike, called in protest at an increase of more than 70% in the price of fuel.

BBC: Strike over massive Bolivia fuel price rises begins

Lula, who led strikes against a military government in the 1970s, is now the target of an indefinite strike begun last week by federal civil servants.

ECONOMIST: Politics in Brazil

"There could be a strike during Easter Week and there could be an indefinite strike every Monday and Friday, " Manuel Atienza, of the General Workers Union (UGT), told CNN on Monday.

CNN: Workers at Spain's Iberia airline step up strike action

They began an indefinite strike last Monday.

BBC: Lufthansa resolves wage dispute