THIRUVANANTHAPURAM: The Express revelations on the WikiLeaks cables regarding the closed-door meeting between US officials and the CPM leaders have snowballed into a major controversy and the factional war in the CPM is set to hot up over it. Indications on this score came after the official channel of the CPM itself revealed on Tuesday that the then Chief Minister V S Achuthanadan had also met the US diplomat on August 29-30, 2008.