BUFFALO, N.Y. — An early morning Monday car crash may keep Walden Avenue closed for up to several hours, according to Traffic Tracker 2's Dave Cash.

The accident was reported around 3:45 a.m. with serious injuries and Walden Avenue from Pine Ridge Road to Gualbert Avenue is closed for investigation. 

The road closure will re-route NFTA Metro's #6 Sycamore and #22 Porter/Best bus lines.

This story is developing and 2 On Your Side will keep you updated as more details become available.