Spokesman Wijayananda Herath said the Ceylon Workers' Congress (CWC) leader Armugam Thondaman met Rajapakas this morning to pledge support.
The CWC is an ally of Rajapaksa's UPFA coalition. They have a history of working in coalition with the main opposition UNP too.
The party's support would be crucial for Rajapaksa to win
a third term. The Sri Lankan President is expected to call a presidential election a year ahead of the schedule in January 2015.
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November.
Rajapaksa draws his strength from the 74 per cent Sinhala
majority community. They view him as a hero for defeating the LTTE's 30-year-old campaign for a separate Tamil minority state in the north and east regions.