Tomorrow will see the start of the longest strike in NHS history. Junior doctors in England will go on strike for six days - amounting to a continuous walkout of 144 hours. Since the industrial action started, more than a million appointments and treatments have been cancelled. NHS leaders have said this strike will put patients at 'serious risk'. Newsnight looks at what the impact could be. And the new year brings further violence in Ukraine as Russian attacks intensify, with a major escalation in missile strikes. Today, at least five people have been killed and more than 130 have been injured. In recent days, there have been major aerial assaults by both sides. And on New Year's Eve, Russia launched the largest drone attack of the war so far. With Sima Kotecha.

With 2024 set to be an election year, what will the economic backdrop be and how will the parties line up? Nick Watt and Ben Chu assess the political and economic weather.

Armando Iannucci is in the studio as the PM indicates the election is months away, and Keir Starmer sets out his stall. With Victoria Derbyshire.

Donald Trump and Joe Biden's first speeches of this election year, the NHS's policy problems, UK floods, and Sophie Ellis-Bextor on her 2001 hit's return to the charts. With Victoria Derbyshire.

As the Post Office scandal dominates politics, the real Alan Bates and the writer of ITV's Mr Bates vs The Post Office are live on the programme. With Kirsty Wark.

As former boss Paula Vennells says she will hand back her CBE, Newsnight looks at the ongoing fallout from the Post Office scandal. Plus Trump's bid for immunity from prosecution. With Kirsty Wark.

The PM promises new laws to deal with the Post Office scandal. Victoria Derbyshire presents a live Newsnight special talking to sub-postmasters, politicians and campaigners.

The cabinet meets to discuss military attacks on the Houthi faction in Yemen after they create chaos in the Red Sea. Will it lead to a wider conflict? Also, testimony from a Post Office fraud investigator. How did the organisation fail so badly? With Victoria Derbyshire.

Another missile attack on Red Sea shipping, after dozens of bombs from British and American jets drop on the Houthi in Yemen. A strike for stability or a step towards escalation?

Republicans in Iowa will be the first to vote for who they want as their presidential candidate in the 2024 US election. With Victoria Derbyshire.

Two Conservative deputy chairmen resign over the government's Rwanda Bill. Has this damaged Rishi Sunak's authority? With Victoria Derbyshire.

The Rwanda migration bill is in the Commons with a Tory rebellion bubbling under. Will the PM's plans get past MPs, or will he have to rethink? The migration minister and Jacob Rees-Mogg have reaction to the numbers. With Victoria Derbyshire.

A Newsnight investigation into Doug Barrowman - husband of Michelle Mone - and his involvement in a tax avoidance scheme. With Kirsty Wark.

As the world transitions to a zero carbon future, who pays the cost? Port Talbot has announced the closure of two emissions-heavy furnaces that employ thousands of workers, and we're in Scotland where the closure of the Grangemouth oil refinery is also putting jobs at risk.

Israeli hostage families meet UK political leaders, demanding they put pressure on Qatar to 'pick a side' as Hamas-run health ministry says the death toll in Gaza reaches 25,000. With Kirsty Wark.

Survivors and bereaved relatives of the Grenfell Tower fire have described their loss and trauma to the companies many blame for the tragedy. Have the families been failed? With Kirsty Wark.

Ukraine doesn't deny shooting down a Russian plane inside Russia, which Moscow says was carrying Ukrainian prisoners. With western support already stalled, where is the war heading? With Victoria Derbyshire.

Newsnight looks at the accounts of postmasters who suffered traumatic armed robberies, only to be investigated and in some cases faced demands from the Post Office to cover the losses of the stolen money. With Victoria Derbyshire.

What impact will the ruling that Israel must take all measures to prevent genocidal acts in Gaza have, as talks over a ceasefire and hostage release get underway? With Faisal Islam.

As Republicans in the US call for President Biden to strike against Iran, can the president retaliate without escalating tension in the Middle East?

Stormont looks ready to assemble again after nearly two years, following a new deal approved by the DUP - but what are the details? With Victoria Derbyshire.

Can the DUP's Sir Jeffrey Donaldson take his party with him into the new power-sharing arrangement in Northern Ireland? With Kirsty Wark.

A woman and her two daughters were attacked by a man with a corrosive substance, with the police hunting a suspect known to the victims. How common are these attacks and what can be done to stop violence against women in the UK? With Kirsty Wark.

Two days on, how has Abdul Ezedi managed to evade arrest? In Newcastle, where Ezedi lives, we ask if the asylum seeker system fit for purpose. Plus Eddie Kadi and Morravey on Afrobeats being recognised at the Grammys. With Kirsty Wark.

Reaction to the King's cancer diagnosis. Is the Palace taking a new approach to discussing the monarch's health? With Victoria Derbyshire.