Alva Review-Courier -

DENVER (AP) — Police were investigating Tuesday after a gunman went on a shooting rampage through several business districts in the Denver area, killing four people and wounding three others, including an officer as police pursued him.

The suspect also died Monday night after exchanging gunfire with officers in a shopping district in the Denver suburb of Lakewood, police said.

Police said they were still investigating what led to the shootings, which mostly happened in commercial areas.

"We need to dig in and find out what the motive was behind this," Denver Police Chief Paul Pazen said at a n...