UK Latest: Raab Quits as Sunak's UK Deputy

Dominic Rob has resigned from the government following a report on bullying allegations against him. The inquiry, led by senior lawyer Adam Totally, involved testimonies from Rob and others. Rob had previously stated he would resign if the inquiry found evidence of bullying, and he has now accepted the outcome, expressing his decision in a letter posted on Twitter.

What did Raab state regarding his resignation if evidence of bullying was found?

When did the inquiry into Raab's behavior begin?