Ed Miliband said that the "national minimum wage must be set at a level where it doesn't cost jobs".
It follows yesterday's announcement that Labour would raise the fine for companies paying below the minimum wage to £50,000.
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The Nobel Peace Prize laureate and former head of the UN died on Saturday.
The two countries have fielded 60 athletes in combined teams.
Bernadette McAliskey was speaking on the 50th anniversary of the first civil rights march in Co Tyrone over discrimination in housing.