On World Humanitarian Day, warnings are mounting over Yemen's worsening health crisis as humanitarian funding continues to decline. Meanwhile, a blockade imposed for more than a decade on Houthi-controlled areas continues to restrict the entry of essential goods, including medical supplies. Health authorities in Sana'a warn that the growing pressure on healthcare services could leave millions of Yemenis without access to critical medical care. CGTN's Ehab Al-Fandi has more. 

At Al-Thawra Hospital in Yemen's capital, Sana'a, Khaled Sabr is fighting a battle that has lasted for more than two and a half years. 

But his struggle goes far beyond the exhausting dialysis sessions. 

It is also a daily fight to find the essential medicines he needs.