In Haiti, a major hospital in the capital Port-au-Prince shut its doors Thursday in protest, after two of its doctors were kidnapped by criminal gangs. One of the doctors is an orthopedic surgeon who had been treating survivors of Saturday’s massive earthquake, which left nearly 2,200 people dead and injured more than 12,000. On Thursday, humanitarian aid workers said shipments began flowing more quickly into Haiti’s southwestern peninsula, but there are still shortages of urgently needed food and medical supplies.