Some 20 Labour MPs defied the party line and abstained from the fiscal charter vote in the House of Commons.
One of the abstainers was former shadow Chancellor of the Exchequer, Chris Leslie.
ITV News Deputy Political Editor, Chris Ship is in the House of Commons:
Latest: 20 Labour MPs defied Jeremy Corbyn and John McDonnell by abstaining in tonight's vote
Some Corbynistas may be cross that 20 Labour MPs abstained in the fiscal charter vote, but is it really worth the abuse and party disunity?
MPs are set to vote on the Conservative's economic plan which caused clashes within Labour after a u-turn by the shadow Chancellor.
It comes after shadow chancellor John McDonnell made a surprise U-turn on the Tory budget vote which is due later today.