A Tucson Police Department officer stands by a rollover crash which involved two vehicles near the intersection of East Grant Road and North Alvernon Way on November 13, 2017.

Mamta Popat / Arizona Daily Star

A rollover crash involving two vehicles occurred on East Grant Road and North Alvernon Way, authorities said.

Two people were treated by Tucson Fire Department paramedics and both were taken to a hospital, said fire Capt. Andy Skaggs, shortly after 4 p.m.

One person is in critical condition, Skaggs said.

He said one of the vehicles involved is a taxi-cab.

Motorists are asked to avoid the area.

No further information is immediately available.

Contact reporter Carmen Duarte at cduarte@tucson.com or 573-4104. On Twitter: @cduartestar