Residents across Mumbai were briefly unsettled on Wednesday morning when a citywide alert notification was simultaneously received on mobile phones at 11:42 a.m. The unexpected message was accompanied by an unfamiliar ringtone and a prominent red warning display, prompting confusion among many recipients.

According to the text appearing on phones, the alert was a test of a new Cell Broadcast system deployed by the Government of India. The message stated that this initiative uses indigenous technology to provide instant disaster alert services to citizens. It clarified that no action was required and emphasized that the communication was a test.

Several individuals described initial concern upon receiving the alert. Ayaz Khan, a vendor in the Malad area, said he was perplexed by the message as it appeared only in English and a South Indian language, which he could not understand. Similarly, Arif Khan, a patron at Lucky Dhaba near Malad, reported being alarmed by the unfamiliar ringtone, initially fearing his phone had been compromised. However, he recognized the alert’s official nature when people around him received the same notification.

Murari Singh, dining nearby when his phone first rang, noted that the alert repeated shortly afterward, this time presented in English and Marathi.

Officials have characterized the simultaneous alerts as part of a trial run to familiarize the public with the new disaster communication system. The Cell Broadcast platform aims to enhance public safety by enabling rapid dissemination of emergency information across mobile devices nationwide. No further incidents related to the alert have been reported.