KIEV, Oct. 16 – Prosecutor General Oleksandr Medvedko doesn't rule out that the circle of suspects may widen in the case of Dnipropetrovsk gas explosion, which destroyed a residential building on Oct. 13 and caused 16 confirmed deaths already.

"It is possible that the circle of suspects - there is such preliminary information - will be extended," he told the press on Tuesday.

He said three investigation groups had been create to probe in the case.