POSTED: Wednesday, June 5, 2013 - 10:22am
UPDATED: Tuesday, June 18, 2013 - 3:47pm
CNN — Firefighters from across the country are gathered in Texas Wednesday to honor four Houston firefighters killed in the line of duty.
This is video of hundreds of fire and police personnel leading a procession.
Up to 40,000 people are expected to pack Reliant Stadium for the memorial service.
The firefighters died Friday battling a motel fire.
They were looking for people who they thought were trapped, when part of the building collapsed