The images showed that at least four attackers opened fire with automatic weapons, and explosives were detonated during the attack.
According to The Guardian, Russian detectives released images of a Kalashnikov automatic weapon, vests with many extra magazines, and bags of spent bullet casings.
People crying for rescue from the performance hall roof and crawling on their hands and knees to escape were shown in videos posted online.
According to reports, Russia's biggest terror assault in years has killed at least 60 people and injured 145 more. Three children were among those who died.
According to Russia's Investigative Committee, the dead toll may grow, and it is too early to speculate on the destiny of the attackers.
The Moscow administration has temporarily cancelled all cultural, athletic, and other large-scale activities for the weekend following the incident, while security at Russian railways and other important utilities has been tightened.
Russia's recent deadliest incident was the 2004 Beslan school siege, in which 334 people, including 186 children, were killed after being held captive by extremists for two days.
According to The Rakyat Post, Wisma Putra has announced that all registered Malaysians and students in Moscow are safe after the terrorist assault.
The foreign ministry is in contact with the Malaysian embassy about the latest developments. The ministry also condemned the acts of terrorism and violent extremism.
Malaysians and students in Moscow are urged to stay up to date on the latest developments and adhere to local authorities' recommendations.