Angered that his boss Senator Zainal Rampak refused to step down as agreed, Malaysian Trades Union Congress deputy president Mohamed Shafie BP Mammal ( photo ) is expected to expose his alleged corrupt practices.

According to a source today, the disclosure at a press conference this Sunday will be on the alleged misappropriation of the congress' funds by the president.

"He (Mohamed Shafie) may have some knowledge on the misappropriation of funds committed by Zainal over his 20-year leadership which involves quite a substantial figure," said the source.