Activists from dozens of labor rights groups marched in Hong Kong on Wednesday to protest the destruction of housing in Beijing for tens of thousands of migrant workers and eviction of the "low-end population" from the capital city.

The Beijing municipal government launched a city-wide fire safety inspection of buildings in migrant-inhabited areas following a fire in one such neighborhood that killed 19 people on Nov. 18.

Civil rights and labor activists claim the municipal government is using the tragedy to now tear down buildings deemed unsafe and evict tens of thousands of migrant worker families as part of a 40-day campaign launched last week.