Mumbai, Oct. 26 -- A court here on Monday extended till October 28 the police custody of four persons held for allegedly aiding the shooters in the Tiger Shroff firing case after investigators said they needed to collect voice samples.

Kunal (21) and Sumit (19), residents of Haryana's Sonipat district, and Radha (23) and Babita (23), both from Uttar Pradesh, are among the 11 people arrested in the case.

Kunal, Sumit, Radha and Babita were produced before Additional Chief Judicial Magistrate (Esplanade Court) S Khedkar at the end of their previous remand on Monday.

While seeking custody extension, police told the court two pistols and cartridges used in the commission of the crime have been recovered, adding the four had full knowledge of the conspiracy.

Investigation so far has revealed that Radha delivered the weapon, provided by Kunal, in Mumbai. She and Babita had booked a hotel in Mumbai by giving fake identity cards, police told court.

The investigation revealed that the accused were communicating through Signal app, which they destroyed. Data comprising photos and videos, including of the weapons used in the crime, has been recovered from their phones, police said.

In one of the photos, Kunal is seen posing with the weapons used in the crime, the investigators said. It has also come to light that the accused were in touch with wanted accused Anil Pandit through Signal app.

Published by HT Digital Content Services with permission from Millennium Post.