Middle East crisis live: Funeral procession for supreme leader Ali Khamenei begins in Iran

Millions join funeral procession in capital of Tehran to mourn Khamenei who was kiled in US-Israel airstrikes in February

Aliyah Abdel Majid al-Halaq is the mother of Mohammad, who was killed by Israeli forces last year when he was nine years old. She writes:

At first, you believe your tragedy is unlike any other. Then you discover that your family has become part of an ever-growing list. More mothers, each carrying the memory of the moment after which life was never the same.'

Philip Goodwin, who leads UNICEF UK, writes that Mohammad's story resonated deeply' after travelling to the West Bank to meet Palestinian families there.