Welcome to your early-morning news briefing from The Telegraph - a round-up of the top stories we are covering on Sunday. To receive twice-daily briefings by email, sign up to our Front Page newsletter for free. 1. Boris Johnson’s push for net zero plunged into chaos

       Boris Johnson’s green agenda has been plunged into chaos amid fears that the costs of reaching “net zero” could cripple working class families in newly-won Tory seats.

       A Treasury review of the costs of reducing net greenhouse gas emissions to zero by 2050 has been delayed since the spring. There are concerns the analysis highlights that the poorest households will be hit the hardest by the ambition, which will involve policies such as stripping out gas boilers and switching to electric or hydrogen cars. Read the full story.

       2. European Union accused of playing politics with migrant crisis by impeding deal with France

       The European Union has been accused of playing politics with the migrant crisis by deliberately impeding progress on a potential deal with France.

       UK sources claim the European Commission is “turning a blind eye to people dying” by refusing to enter talks to allow Britain to send migrants who have crossed the Channel back to France – blaming “post-Brexit shenanigans”. Read the full story.

       3. Philip Hammond accused of breaching ministerial code over seeking access for bank

       Lord Hammond of Runnymede, the former chancellor, has been accused of breaching the ministerial code after writing to one of his former senior officials to advocate on behalf of a bank he was paid to advise.

       In an email sent in July 2020, Lord Hammond told Charles Roxburgh, the Treasury’s second most senior civil servant, that OakNorth Bank wanted to offer the Government the use of a “toolkit” it had developed to assess potential borrowers. Read the full story.

       4. Iran ‘very close’ to point of ‘no return’ in drive for nuclear bomb, Israel warns

       Iran has been emboldened by a lack of action by Britain and other countries across the world, Israel has warned, as a senior official said the state was now “very close” to a point of “no return” in its drive for a nuclear bomb.

       In an interview with The Telegraph, the Israeli official, who is involved in monitoring Iran's activities, said the fact that Iran felt sufficiently confident to launch a drone attack on a merchant vessel off the coast of Oman showed that “they don't feel real international criticism or threat”. Read the full story.

       5. Day 16 at Tokyo 2020

       Follow the latest news from the last day of the Olympic Games – and catch up on what you missed overnight. Read the full story.

       Stay up-to-date with breaking news and the latest politics from The Telegraph throughout the day.