Workers, activists across Asia and Europe hold May Day rallies to call for greater labor rights 

SEOUL, South Korea — Workers, activists and others in Asian capitals and European cities took to the streets on Wednesday to mark May Day with protests over rising prices and government labor polices and calls for greater labor rights. May Day, which falls on May 1, is observed in many countries to celebrate workers’ rights. May Day events have also given many an opportunity to air general economic grievances or political demands. Police in Istanbul detained dozens of people who tried to reach...