The closing of the Rafah border crossing has cut off an escape route for Palestinians in Gaza, dashing the hopes of those needing critical medical care amid the collapse of the health system while the United Nations warns that millions could suffer from starvation this summer, according to the Washington Post. Israel last month seized the key Rafah crossing into Egypt, which tens of thousands of Gazans have used to leave the Palestinian enclave since the war started on Oct. 7. But that changed when Israel launched its military offensive in Rafah in its effort to wipe out Hamas. Talks are under…