British diplomats would not discuss the timing of the forced repatriation program.
In the early 1990s, the Hong Kong government began an orderly repatriation programme.
Only about 600 Vietnamese in the centers have returned home under a voluntary repatriation program begun last March.
Poland has a limited repatriation program in place.
Does the company have a repatriation program?
But under a forced repatriation program, 14 flights carrying 760 unwilling Vietnamese have also gone back.
Nearly 1,000 Vietnamese have returned home under a voluntary repatriation program begun last March.
The Vietnamese authorities accepted the group and said the refugees would not be mistreated, but officials also criticized the forced repatriation program.
Of more than three million refugees in Pakistan, only a few hundred families have so far joined the repatriation program.
Last summer, he praised the appeals court decision that invalidated the repatriation program.