Can a foreign widow of a British citizen eligible for UK residence permit /settlement visa?
The person concerned had come to UK with fiancé visa for 6 months initially and was given a 6 month extension following that period. She had married a British citizen who had died during this period. She had not applied for her spouse visa when she got married.
would she be able to apply for residency here
yes she is. She is in student visa at the moment as she had done her master's qualification.