Thousands of trade union members and activists are marking May Day by marching through Asia's capitals and demanding better working conditions and expanding labour rights.

A South Korean major umbrella trade union has issued a joint statement with a North Korean workers' organization calling for the Koreas to push ahead with engagement commitments made during a series of inter-Korean summits last year.

Many of the plans agreed between the Koreas, including joint economic projects, have been held back by a lack of progress in nuclear negotiations between Washington and Pyongyang.

May Day rallies are also being held in the Philippines, Malaysia, Cambodia, Myanmar and elsewhere in Asia.

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