A jury has retired to consider its verdicts on two firefighters accused of gross negligence manslaughter following a blaze in Warwickshire in which four of their colleagues died.
Jurors at Stafford Crown Court have heard more than six weeks of evidence about the fatal warehouse fire, which broke out in November 2007 in Atherstone-on-Stour.
Watch manager Adrian Ashley and station manager Timothy Woodward both deny the manslaughter of Ashley Stephens, Darren Yates-Badley, John Averis and Ian Reid.
The Crown alleges that Mr Stephens, 20, Mr Yates-Badley, 24, Mr Averis, 27, and 44-year-old Mr Reid lost their lives needlessly after being sent into an "obviously dangerous" situation for no good reason.
The charges against Ashley, from Nuneaton, and Woodward, from Leamington Spa, allege that they unlawfully killed the men who died by gross negligence while acting as incident commanders.
The indictment further alleges that Ashley, 45, breached his duty of care to those who were killed by "exposing them to substantial risk to life when no other lives were at risk".
Woodward, 51, is alleged to have breached his duty of care to the four by failing to end the deployment of colleagues wearing breathing apparatus for the purpose of "offensive" firefighting.
A third defendant, watch manager Paul Simmons, 50, of Hampton Magna, Warwicksire, was acquitted of manslaughter on the directions of the trial judge on May 21.