A turboprop airplane chartered by India’s Uttar Pradesh state government crashed during landing in densely populated suburb of Mumbai, local media reported. Authorities say it is unclear how many people were on board.

A Beechcraft King Air C90 turboprop crashed near a building under construction in a suburb of Mumbai, according to NDTV. The aircraft was about to land in the city.

Several fire brigades scrambled to respond to the emergency. It is still unclear how many people were on the plane and what the death toll could be. India Today television said a pilot, three passengers and one person on the ground were feared dead.

The C90-type plane is said to be capable of carrying up to seven passengers plus crew.

Meanwhile, images posted on social media show flames and a pillar of thick, black smoke rising from the crash site.

It is also unknown whether the airplane attempted emergency landing.

Uttar Pradesh government aircraft crashes near Sarvoday Nagar in Mumbai’s Ghatkopar. More details awaited https://t.co/evJ316E4bw(📸credit: ANI) pic.twitter.com/rznUIORT47 — NDTV (@ndtv) June 28, 2018

The plane was reportedly delivered to the Uttar Pradesh government in 1995. In 2014, it was sold by state authorities to Mumbai-based UY Aviation company after experiencing some technical issues, according to NDTV.

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