Is Jeremy Corbyn involved in starting a new political party?

Here is what we know...

The media is reporting that Jeremy Corbyn has attended a meeting to discuss the establishment of a new political party. Crucially, Corbyn has said he attended the meeting in an advisory role, but has not confirmed he is directly involved. He is yet to even endorse the group, however, the director of Corbyn’s Peace and Justice Project, Pamela Fitzpatrick