He said they call into question the Prime Minister's decision to appoint Mr Crosby to run the Conservative election campaign in 2015.
These are very serious allegations, which call into question the Prime Minister's decision to appoint Lynton Crosby.
These allegations must be investigated and if they are true, David Cameron must condemn them.
Appointing the arch right-winger who ran the Tories' 2005 election campaign shows once again that David Cameron can't be the One Nation Prime Minister Britain needs.
More top news
There will still be a chance of scattered showers in places but it will feel mild with bright spells as we head into the weekend.
Strictly Come Dancing host Claudia Winkleman asked the audience to "bear with me" as she prepares to make a return to the show this weekend.
Fears of Russian aggression have sparked training exercises in Poland designed to bolster NATO's presence in Eastern Europe.