The two-day visit is crucial as it seeks to bolster bilateral ties, focusing on energy, trade, and defence cooperation through summit talks with President Vladimir Putin in Moscow.

US National Security Council spokesperson Adrienne Watson said information about such a planned attack had also been shared with Russian authorities.

According to a court statement, two of the suspects admitted their involvement in the assault after being charged in the preliminary hearing. However, some questions arose regarding the men's ability to freely speak due to their physical condition.

External Affairs Minister S Jaishankar on Sunday said he has spoken to his Russian counterpart Sergey Lavrov and conveyed India's deepest condolences on the loss of lives in the "horrific terrorist attack" in Moscow.

Amaq, an agency with links to the terror group, posted a video showing four men with blurred faces, their voices distorted, at a location similar to Moscow's Crocus City Hall complex.

The Islamic State (ISIS) has claimed responsibility for a devastating terror attack on a concert hall in Moscow, which resulted in the loss of at least 40 lives and left over 100 people wounded.

On Friday, the terror group claimed responsibility for the attack in a brief message released on Telegram by the ISIS-affiliated news agency Amaq.The organisation did not reveal any inputs about the attack.

Assailants burst into a large concert hall in Moscow on Friday and sprayed the crowd with gunfire, killing more than 60 people, injuring over 100 and setting fire to the venue in a brazen attack, according to media reports.

In a video circulating on social media, individuals approached Lyudmila, expressing gratitude for her son and seeking forgiveness. Unfortunately, cameras were prohibited from capturing the church's interior during the service, but attendees managed to share images of the proceedings.

The comments by External Affairs Ministry spokesperson Randhir Jaiswal came following a report that some Indians are working as support staff to the Russian army in the conflict zone.