Israel says it has reopened access for a limited number of aid trucks into Gaza, after blocking supplies from entering the territory for the last 11 weeks.
The UN has said no aid has been distributed from the trucks yet.
This comes as the Israeli military ramps up its operations, with strikes hitting various locations in the strip.
BBC Verify has been looking into the latest strikes and the aid situation in Gaza – as Jake Horton explains.
Verification by Paul Brown, Benedict Garman and Sherie Ryder.
Graphics by Sally Nicholls.