Scottish Labour leader will call on Sturgeon to step down.

According to informed sources, Scottish Labour leader Anas Sarwar will call on British Prime Minister Boris Johnson to resign, exacerbating the crisis engulfing his premiership. Sarwar, seen as an ally of Johnson, has become the most prominent figure within the Labour Party to demand the Prime Minister's resignation. Sarwar is expected to make a speech at 2:30 pm local time, calling for Johnson to step down.