Around 11:10 hours crews from Willingboro, Westampton, Burlington City, and Burlington Township were dispatched to the report of smoke coming from a house on Hillcrest Ln.  Engine 1613 arrived with smoke showing.  Engine 2721 arrived second due and laid a line to secure a water supply  for Engine 1613.  Crews from 1613 and 2721 worked to extinguish several set fires on both the first and second floors of the dwelling.  Engine 3012 arrived and assisted with overhaul and RIT90 established the RIT on side Alpha.  Engine 2721 worked on location for approximately two hours as the fire investigation was conducted.  There were two civilian injuries handled by district 16 and 23 EMS units.