A large number of departures from London's Kings Cross have been cancelled this morning.
This morning's delays come after thousands of rail commuters struggled to get home because of an electrical supply problem last night.
More top news
The painting, entitled 'Beautiful Beautiful George Michael Love Painting', was auctioned to help raise funds for HIV and Aids prevention.
The 38-year-old victim was standing on a busy Victoria Line train when another passenger approached him.
The boy, called Roman, told police call handler his mum "is dead" and "she's closing her eyes and not breathing".