Israeli PM Benjamin Netanyahu has downplayed the chances of a truce in Gaza after Hamas gave what it called a "comprehensive vision" to mediators. Mr Netanyahu's office said Hamas was still "holding to unrealistic demands". Hamas wants a permanent end to the war and full Israeli withdrawal from Gaza. On Thursday night Gaza's Hamas-run health ministry said 20 people had been killed as they waited for aid. Israel denies involvement and accuses armed Palestinians of firing at the crowds...