says it has lost communication with its contacts at al shifa hospital, gaza s largest. the israeli army denies accusations of strikes on al shifa, although they have admitted to fighting in the area. in this video you can see hospitals operating in darkness in the north, as doctors without borders says hospitals have come under relentless bombardment for the past 2a hours. health groups have warned of a deepening aid crisis in gaza. the israeli army denies strikes at gaza s largest hospital, al shifa, but has acknowledged clashes with hamas fighters in the area. you can see this hospital operating in darkness in the north. a surgeon at al shifa told the bbc power, water and food have run out into the hospital s intensive care unit had been hit. the idf says it will assist in the evacuation of babies from the paediatric department at the hospital on sunday. meanwhile, israel s prime minister, benjamin netanyahu, says his forces have completed the encirclement of gaza city, an