Kokilaben Ambani, the mother of industrialists Mukesh and Anil Ambani, was airlifted and admitted to HN Reliance Hospital in Mumbai on Friday morning, according to a Financial Express report. The 91-year-old is the widow of the late Reliance founder Dhirubhai Ambani.

A video circulating on social media showed the Ambani family’s convoy arriving at the South Mumbai hospital, raising concern about her health.

So far, the Ambani family has not released an official statement on her condition.