Dramatic moment Gaza's National Bank building is hit during Israeli air strike as strip suffers its deadliest day in 15 years

 Dramatic video footage caught the moment the Islamic National Bank in Gaza was hit during an Israeli air strike on Sunday. Footage captured the second the bank in the Rimal district of Gaza city was struck, sending a huge a cloud of smoke and dust into the air, tearing through the neighbourhood and destroying several nearby buildings.The Gaza Strip has suffered its deadliest day in 15 years in the wake of the unprecedented attack by Hamas into Israel, with air strikes killing nearly 300 Palestinians in 24 hours, according to Palestinian officials. Among those dead are three-month-old twins killed with their mother and three sisters in an air strike on Saturday in Khan Younis in the southern Gaza Strip, family members said.