Dhaka, Oct. 26 -- So many lives in Gaza still hang in the balance.In different wards of Nasser Hospital lie two 10-year-old boys, one shot by Israeli fire and paralysed from the neck down, another with a brain tumour.

Now that a fragile ceasefire is in place, they are among some 15,000 patients who the World Health Organization (WHO) says are in need of urgent medical evacuations.

Ola Abu Said sits gently stroking the hair of her son, Amar. His family says he was in their tent in southern Gaza when he was hit by a stray bullet fired by an Israeli drone. It is lodged between two of his vertebrae, leaving him paralysed.

"He needs surgery urgently," Ola says, "but it's complicated. Doctors told us it could cause his death, a stroke or brain...