Crowds of displaced Palestinians made the arduous journey back to heavily destroyed northern Gaza for a second day Tuesday, under a fragile ceasefire between Israel and Hamas. More than 375,000 Palestinians have crossed into northern Gaza since Israel allowed their return on Monday morning,

Palestinians are streaming into northern Gaza and returning to what's left of their homes as the ceasefire holds. UNICEF spokesman Jonathan Crickx joins Chris Jansing from Rafah to describe the scope of the humanitarian effort and the challenges they are facing.