Crown Resort shares plummet on 'manipulated pokies, sanctioned illegal drug use' claims

Saying the allegations went to "shocking criminal misconduct", he added there were claims that Crown staff had worked around money laundering laws which require disclosure of large sums of cash. The accusations present a fresh headache for Crown, which is almost half-owned by billionaire James Packer, after the arrest of more than a dozen employees in China caused it to retreat from an ambitious global expansion plan.

Tasmanian independent MP Andrew Wilkie told the Parliament's Federation Chamber that a string of former Crown employees had made the allegations that also include turning a blind eye to domestic violence abuse and manipulating poker machines to extract bigger losses from punters.

Mr Wilkie says while none of the allegations are proven, they need to be fully investigated.

Crown said in a statement that it rejected the allegations and that Wilkie should "immediately provide to the relevant authorities all information relating to the matters alleged".

However, the former employees said the VCGLR had previously discovered machines were modified but didn't take further action. He alleged the staff of Crown Melbourne for being engaged in what he called "software manipulation" aimed to increase the number of players' losses on the slot machines offered at the casino, as well as in other illegal interference with the machine.

The claims, by three people who said they were ex-employees of Crown casino, were tabled in Australia's parliament.

The three whistleblowers also allege Crown allowed the use of illicit drugs at the casino, covered up domestic violence and was disinterested in staff who gambled at the venue.

The regulator said it has improved its level of supervision over Crown casino over the past 12 months through the establishment of a a "specialist dedicated casino team".

Keenan reportedly additionally declared that all of the remaining claims would be "thoroughly investigated" by the Victorian Commission for Gambling and Liquor Regulation.

"These are just allegations, no one's come forward and said exactly what the regulator has done", Ms Kairouz told reporters on Wednesday. One describes himself as a technician and another as a gaming attendant.

'This includes establishing a specialist dedicated casino team.

'Crown can not be allowed to operate pokie machines until an independent audit has been completed, ' Colleen Hartland said.

Crown shares finished 51 cents, or 4.3 percent, lower at $11.24 on Wednesday, after slumping to $10.80 during the day.

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