The Clark County fire department http://www.co.clark.nv.us/fire/firedept.htm has put a link on their website for current fire/EMS calls in the county.
The direct link for that page is:
http://fire.co.clark.nv.us/AlarmOffice/Alarm Office.aspx
The direct link for that page is:
http://fire.co.clark.nv.us/AlarmOffice/Alarm Office.aspx