At least 700 armed Cambodian soldiers and riot police with tear gas moved into a Phnom Penh slum on Tuesday to tear down dwellings that are home to more than 1,000 families, human rights activists and police said...City officials refused comment on the attempt to move squatters 15km to land provided by a private company in exchange for the slum area...Land disputes are a hot issue in Cambodia, where garment factories and hotels have sprung up to expand the major textile and tourist industries...Early last year, troops shot dead six villagers in a forceful land eviction in the north-west.