"We have sought an appropriate explanation from S S Saravanan," Panneerselvam, leader of AIADMK's Puratchi Thalaivi Amma faction told reporters without elaborating.
TV footage had purportedly showed Saravanan, AIADMK's Madurai (South) MLA making some claims of pay-offs to ruling party legislators ahead of the February 18 trust vote faced and won by incumbent Chief Minister K Palaniswami.
Saravanan had earlier claimed he had "escaped" from a resort near here where the MLAs were staying during that time, in "disguise," before joining the Panneerselvam faction.
In the ensuing political developments, the AIADMK suffered a split, with some MLAs joining him.
Palaniswami was elected chief minister after Sasikala was held guilty in a disproportionate assets case, and he won the trust vote on February 18 by a margin of 122-11 amid eviction of main opposition DMK following unruly scenes.
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