May 8 (Reuters) - Hutchison Telecommunications (Australia) Ltd HTA.AX :
* VHA AND TPG TELECOM REMAIN COMMITTED TO PROPOSED MERGER ; WILL FILE LEGAL ACTION IN RESPONSE TO ACCC DECISION
* LEGAL ACTION WILL INVOLVE SEEKING DECLARATORY RELIEF FROM FEDERAL COURT
* VHA AND TPG TELECOM HAVE AGREED TO EXTEND TERM OF SCHEME DOCUMENTS TO 31 AUGUST 2020