The government will wait for a report from the Thai police once it concludes its investigation on PetroSaudi InternationalLtd formeremployee Xavier Justo before taking any action, said Prime Minister Datuk Seri Najib Razak.

He said the Thai police will inform the Malaysian government soon once it concludes its probe. He added that the government will ensure a transparent and fair investigation on the matter.

"Once we get something and clear evidence, only then the government will take action," he said after chairing the UMNO Supreme Council meeting today.

"The minister in charge is also waiting for the report from Thailand," he added.

Home Ministry Datuk Seri Dr Ahmad Zahid Hamidi had earlier said will cooperate with the Thai police to assist in the case involving the arrest ofJustowho is currently being detained in Thailand.

READ: Home Ministry to cooperate with Thai police in PetroSaudi information leaking case

Ahmad Zahid said, in welcoming the arrest of the Swiss national, his ministry was ready to assist in extraditing several of the suspects involved to enable Thai authorities to carry out their investigations.

He said his ministry was also informed thatJustowas the individual responsible to channel inaccurate information to the Sarawak Report blog that triggered numerous unfounded allegations against 1Malaysia Development Berhad (1MDB).

1MDB said Wednesday it noted reports of Justo’s arrest and the leaking of proprietary e-mail information belonging to PetroSaudi, as it pledged to cooperate with investigations.PetroSaudisaid it was the “victim” of a crime that’s been politicized in Malaysia.

READ: Thai police seek evidence in alleged PetroSaudi-1MDB extortion


“Initial probes show that some leaked e-mails were tampered with,” 1MDB said. The two companies ended their relationship in 2012, 1MDB said on its website.