What You Need To Know

After US and Israeli strikes on Iran, the Ayatollah Ali Khamenei is dead, and the Middle East is in chaos. But who will replace the Supreme Leader?
As Tehran faces a power vacuum, who is likely to be Donald Trump's desired candidate and what is his ultimate long-term aim for Iran.
Will we see a new Supreme Leader, an internal revolution, or a return to the Iranian monarchy?
Here's what you need to know about who could lead Iran, and how President Trump is influencing the country's future.

From FPV drones, to leaderboards for kills and captures, to large-scale cyber warfare, the Russia-Ukraine conflict has rewritten how modern combat is fought. As we reach four years since Russia’s invasion of Ukraine, the stalemate between Putin and Zelenskyy continues to push military tech to its limits.
So how is this new technology impacting soldiers on the battlefield and people living in the rest of Europe? And how will these four years of innovation define the future of warfare across the globe?
Sam Leader tells you what you need to know.
Contributions from:
James Rogers - drone expert
Lauren Sukin - Associate Professor, U.S. Foreign Policy

Could China be key in tackling the small boats crisis? Keir Starmer has been meeting President Xi Jinping in Beijing and is hoping a new security pact will be a game-changer, with more than half of small boat engines made in China.
The Prime Minister is also pledging to put more money in British pockets through a better relationship with China. So will it work and what are the risks?
Political Correspondent Carl Dinnen tells Paul Brand what you need to know.

People carrying knives are more likely to end up as victims. Weapons escalate arguments and confrontations - sending them out of control.

Videos of violence, rapidly shared on social media, can strike fear into teens watching. But for some, far from putting them off carrying a weapon, it has the opposite effect, even when knife crime is falling.

Police and schools across the country are grappling with this viscious cycle.

So how can you stop teens carrying knives?

North of England Reporter Jonathan Brown and Senior Producer Eleanor Gregory tell Lucy Watson what you need to know.

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Jonathan and Eleanor's teen violence investigations:

On the front line with police tackling teen violence - https://youtu.be/b6tXl5_uUEU?si=cD-coyIdRpc6SRmT

Inside a school lockdown as teachers drill for knife attack https://youtu.be/mWdsNPsbnZk?si=aZDVHCMQ-O-O_HkC

Opposition parties are demanding it, the government is consulting on it, the House of Lords have voted in favour of it and it's splitting opinion amongst bereaved families.

But what do young people themselves think of a ban on social media for under-16s?

Westminster Political Reporter Lewis Denison tells Faye Barker what you need to know.