Police in Saskatoon and Regina are looking for several suspects in early morning cab robberies. 

In Saskatoon a taxi driver was dropping four people off, two men and two women, at the 3900 block of Diefenbaker Drive at about 2 a.m. CST, when the group got out without paying the fare. 

The driver got out to ask for the money and one of the men pulled out a knife before they all fled. 

Officers tried to track them down with a police dog, but couldn't find the suspects. 

Regina taxi driver robbed of cash, phone

At about 2:20 a.m. CT a Regina cab was driving two woman to 1100 block of Cameron Street. 

When they arrived the women robbed the him at knifepoint of some cash and his cell phone. 

Neither of the drivers was hurt. Police are asking anyone with information about the robberies to contact them.