Abdullah Ahmed was hit by shrapnel while on a desperate mission to feed his familyJust after midnight on Thursday morning, Abdullah Ahmed left his sleeping wife and children in their small and crowded home in the battered al-Bureij camp in central Gaza and headed north. The 31-year-old vegetable seller had heard that the nearby aid distribution site recently opened by the Gaza Humanitarian Foundation (GHF), a secretive Israeli- and US-backed private organisation that began operations in the territory last month, would be handing out food at 2am.To get there early and maximise his chance of grabbing a box of flour,