"There were 172 rotating CCTV cameras inside the Wankhede ground and five CCTVs installed at Garware pavilion. The examination of these five CCTV footages did not provide any evidence that would help us in the probe," said a police officer privy to the probe.
"The five CCTV cameras which we thought would give some crucial leads have neither captured any argument nor any scuffle between the two," the officer said.
Wadia, who co-owns Kings XI Punjab with Zinta and others, has rubbished the allegations as "false and baseless".
Meanwhile, Zinta, whose supplementary statement was recorded yesterday, has given a list of 14 names to the police, including that of a foreigner named Jean, as among those who were witness to the incident.
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The foreign national would also be asked to record his statement, if required, police said.
He said in the absence of technical evidence, the statements of witnesses would be crucial to the case.
Apart from Marine Drive police, which recorded the actress' statement regarding the alleged spat with the Wadia group scion, the anti-extortion cell of the crime branch recorded her account in connection with the threat calls and SMS message the Wadia group has claimed to have received from fugitive gangster Ravi Pujari asking them to keep off Zinta.
Police have so far recorded the statements of seven witnesses, including IPL COO Sundar Raman and BCCI Secretary Sanjay Patel, in connection with the molestation case filed by Zinta, who had claimed she had informed them about the alleged incident.