51.   The demonstrators, who were demanding wage increases, walked onto the main freeway that circles Mexico City.

52.   The drivers also demanded an increase in their rice allowance and basic salaries.

53.   The general strike follows three weeks of protests and strikes by labor unions demanding salary increases as displeasure with the deteriorating economy spreads.

54.   The economics chestnut of supply and demand dictates that prices will go up if supply is tight and demand increases.

55.   The jobless groups are demanding an increase in aid payments.

56.   The police and public service unions demanded higher increases to offset what they said was years of falling behind in pay.

57.   The union went on strike on Thursday to demand an increase in salaries and a package of non-wage benefits.

58.   The strike, which began Tuesday at Refineria Panama, was held to demand increases in worker compensation when the plant closes at the end of the year.

59.   The zone governing body, the Asian Football Confederation, has demanded an increase in security at semifinals on Thursday and for the final game Saturday.

60.   The unions had been demanding wage increases of six percent.