(Vancouver, WA)  --  Bloodworks Northwest is requesting blood donations to replenish their supply following yesterday's deadly Amtrak train derailment.  The organization says it provided more than 150 units of blood to hospitals treating dozens of injured passengers yesterday.  At least three people were killed and dozens were injured when an Amtrak train derailed and crashed onto southbound I-5 in Washington state yesterday morning.  To find a blood donation center, go to www.bloodworksnw.org.