Forgotten victims: How do first responders deal with trauma?

<p>Fatal crashes caused by young drivers inflict untold suffering on survivors and the loved ones left behind. But what about the trauma experienced by first responders?&nbsp;</p><p>They are part of the so-called ripple effect caused by the aftermath of tragedies on UK roads - and their stories are rarely told.&nbsp;</p><p>Niall is joined by Sky correspondent Dan Whitehead, who spoke to NHS workers about their experiences.&nbsp;</p><p>Producers: Tom Gillespie and Araminta Parker&nbsp;</p><p>Editor: Mike Bovill&nbsp;</p><p>&nbsp;</p>