Dhaka, Oct. 30 -- At least 240 migrant workers at two Singapore processing firms have gone unpaid for three months, while their work permits were abruptly cancelled. Most are Bangladeshis, The Straits Times reported.

Singapore's Ministry of Manpower said on Oct 24 it was investigating Process Maintenance Solutions and Jurong Technical and Construction.

The ministry and Migrant Workers' Centre are helping workers claim wages through the Tripartite Alliance for Dispute Management.

Workers said wages stopped in August, with permit cancellations beginning in late September. Many fear for their futures.

Hossain Midul, from Process Maintenance Solutions, said he had sent almost all his monthly pay of $600 to his family in Pabna since arrivi...