Labour candidate says the Christian Peoples Party has a "track record of promoting hate".
The successful candidate will cover the Walthamstow MP's constituency work – but will not vote on her behalf in the Commons.
Graphic campaign shows "absence of any moral compass".
A clip was posted to Twitter in which a Muslim woman can be seen shouting at a man adorned in a Pride flag.
Emergency services are battling a major blaze at the shopping centre in north east London.
Walthamstow MP writes to the Home Secretary to 'urgently request' extra support for local police and youth services.
Metropolitan Police launches 48th murder investigation this year.
'It's so shocking.'
UPDATE: A teenage boy has been arrested over two separate acid attacks in London, including one which left a man in danger
If you were going to give an extra special Valentine this year what would it be? This year, I'm not going to send cards, flowers or cute teddy bears to anyone, even if I do love them. Instead I'm giving gifts to people I don't know and might never meet, and my heart feels full just thinking about it.