Ali Mohammed al-Tawaari, a six-month-old malnourished boy, lies in a bed at a hospital in Sanaa, Yemen July 28, 2015. Born just before the outbreak of Yemen's devastating war, Ali Mohammed al-Tawaari may well not survive it. Damaged by a lack of skilled medical care at a critical moment in his early weeks, the six-month-old infant struggles for life in a hospital in the bomb-damaged capital Sanaa. Ali suffers malnourishment and complications from a botched circumcision performed by an unqualified practitioner. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAYSEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES TPX IMAGES OF THE DAY

A nurse checks Ali Mohammed al-Tawaari, a six-month-old malnourished boy, at a hospital in Sanaa, Yemen July 28, 2015. Born just before the outbreak of Yemen's devastating war, Ali Mohammed al-Tawaari may well not survive it. Damaged by a lack of skilled medical care at a critical moment in his early weeks, the six-month-old infant struggles for life in a hospital in the bomb-damaged capital Sanaa. Ali suffers malnourishment and complications from a botched circumcision performed by an unqualified practitioner. REUTERS/Khaled Abdullah SEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES 

Ali Mohammed al-Tawaari, a six-month-old malnourished boy, cries as he is weighed in a malnutrition intensive care unit in Sanaa, Yemen July 30, 2015. Born just before the outbreak of Yemen's devastating war, Ali Mohammed al-Tawaari may well not survive it. Damaged by a lack of skilled medical care at a critical moment in his early weeks, the six-month-old infant struggles for life in a hospital in the bomb-damaged capital Sanaa. Ali suffers malnourishment and complications from a botched circumcision performed by an unqualified practitioner. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAYSEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES TPX IMAGES OF THE DAY

Ali Mohammed al-Tawaari, a six-month-old malnourished boy, cries as he is weighed in a malnutrition intensive care unit in Sanaa, Yemen July 30, 2015. Born just before the outbreak of Yemen's devastating war, Ali Mohammed al-Tawaari may well not survive it. Damaged by a lack of skilled medical care at a critical moment in his early weeks, the six-month-old infant struggles for life in a hospital in the bomb-damaged capital Sanaa. Ali suffers malnourishment and complications from a botched circumcision performed by an unqualified practitioner. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAYSEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES TPX IMAGES OF THE DAY

Two-year-old Hanadi Dawod cries as she is weighed to check for acute severe malnutrition in a malnutrition intensive care unit in Sanaa, Yemen July 30, 2015. Damaged by a lack of skilled medical care at a critical moment, many infants struggle for life in a hospital in the bomb-damaged capital Sanaa. When Yemen's devastating war began in March, between the country's Houthi movement and an exiled government backed by Gulf Arab states, hundreds of foreign, mostly Asian, medical staff members, were evacuated to their countries, leaving their jobs in Yemeni hospitals. REUTERS/Khaled AbdullahSEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES 

The mother of 21-month-old Majed Ayyash prepares him to be weighed in a malnutrition intensive care unit in Sanaa, Yemen July 30, 2015. Damaged by a lack of skilled medical care at a critical moment, many infants struggle for life in a hospital in the bomb-damaged capital Sanaa. When Yemen's devastating war began in March, between the country's Houthi movement and an exiled government backed by Gulf Arab states, hundreds of foreign, mostly Asian, medical staff members, were evacuated to their countries, leaving their jobs in Yemeni hospitals. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAYSEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES TPX IMAGES OF THE DAY

A nurse holds a malnourished child at a hospital in Yemen's capital Sanaa July 28, 2015. The war in Yemen has killed more than 3,500 people. U.N. children's agency UNICEF says the death toll includes 365 children. REUTERS/Khaled Abdullah 

A newborn baby cries in a special care unit at a hospital in Sanaa, Yemen July 30, 2015. Damaged by a lack of skilled medical care at a critical moment, many infants struggle for life in a hospital in the bomb-damaged capital Sanaa. When Yemen's devastating war began in March, between the country's Houthi movement and an exiled government backed by Gulf Arab states, hundreds of foreign, mostly Asian, medical staff members, were evacuated to their countries, leaving their jobs in Yemeni hospitals. REUTERS/Khaled AbdullahSEARCH "ABDULLAH MALNOURISHED" FOR ALL PICTURES 

A nurse feeds a newborn baby in a special care unit at a hospital in Sanaa, Yemen July 30, 2015. Damaged by a lack of skilled medical care at a critical moment, many infants struggle for life in a hospital in the bomb-damaged capital Sanaa. When Yemen's devastating war began in March, between the country's Houthi movement and an exiled government backed by Gulf Arab states, hundreds of foreign, mostly Asian, medical staff members, were evacuated to their countries, leaving their jobs in Yemeni hospitals. REUTERS/Khaled Abdullah