Help.poor children there mum sadly died last night my only sister they havent been told yet.we dont know what 2 do we only had each other

my sister is seriously ill in hospital i have my neice and nephew but cannot access the bank account for any child benefit and child tax so have had to put my own claim in for them i live on 372 a month im doing the best i can but have no friends no family and no helpfrom all the charities and now churches no1 has helped at all and we honestly have no money left im scared and so terrified im going 2 lose the babies i know its an extremely difficult time for every1 but please every little helps these babies cant see or even speak to there mum n havr bever been apart from her until now shes not only fighting covid but also cancer as well please any help will do any amount no matter how small

I just took the last photo of my neive looking 4 her mum to come home 😢😢😢