More than a dozen aid workers killed or missing in Gaza, multiple groups say, as Israeli blockade continues

More than a dozen aid workers have been killed or gone missing in Gaza over the past few days, several groups say, as Israel ramps up its renewed military assault on the Palestinian enclave following the collapse of a two-month ceasefire.

​ More than a dozen aid workers have been killed or gone missing in Gaza over the past few days, several groups say, as Israel ramps up its renewed military assault on the Palestinian enclave following the collapse of a two-month ceasefire. Read More Breaking News, Latest News and Videos | CNN