As many as 22 patients have died in Maharashtra's Nashik oxygen tanker gas leak incident, informed state Health Minister Rajesh Tope to media persons on April 21. "This is an unfortunate incident. I spoke to Nashik municipal commissioner who has informed me that the situation is under control now. I'll be going to Nashik soon. Nashik Guardian Minister Chhagan Bhujbal has already gone there", said Tope. Oxygen was leaked while it was being filled in a tanker at Nashik's Dr Zakir Hussain NMC Hospital.