Group 1 - NBC News has begun laying off staff from its London bureau as part of a restructuring process ahead of its separation from MSNBC and CNBC [1][10] - The initial layoffs have created anxiety within the newsroom, with speculation about further job cuts [2][4][7] - NBC News will cease collaboration with MSNBC, with journalists no longer appearing on the channel starting Monday [10] Group 2 - The restructuring is linked to Comcast's decision to spin off cable assets and digital brands into a new company called Versant, which will be publicly traded [11][12] - Versant will include major cable channels and digital properties, and will focus on independent programming after a transition period [12] - NBCUniversal, which retains NBC News, will concentrate on streaming, studios, and theme parks, while facing challenges such as declining cable profits and approximately $1 billion in debt [15][16]