Ten Things You Need to Know Today: Thursday 21 Jul 2016

1. Ted Cruz booed for not endorsing Trump

US senator Ted Cruz, a failed challenger for the Republican nomination for the presidency, was booed at the party's convention yesterday for not endorsing his former rival, Donald Trump. Cruz, who in May described Trump as "a pathological liar", "a narcissist" and "utterly immoral", left the stage under a barrage of protest.

Trump travel ban: Judge expands definition of relatives

2. Erdogan declares state of emergency in Turkey

President Recep Tayyip Erdogan of Turkey has declared a state of emergency and warned that the crackdown following last week's attempted coup is not over. The state of emergency will give Erdogan and his cabinet the freedom to make new laws without consulting parliament. Around 50,000 opponents have been fired from their jobs or imprisoned.

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Turkey suspends 12,800 police officers from duty

3. Jeremy Corbyn launches re-election bid

Labour leader Jeremy Corbyn is today launching his bid for re-election with a promise to tackle the "five ills of 21st century Britain", which he says are inequality, neglect, prejudice, insecurity and discrimination. In the past 48 hours, 183,000 people have signed up and paid £25 to the party to be allowed to vote in the leadership ballot.

Jeremy Corbyn is a 'disaster', says Stephen Hawking

4. Teenage activist convicted in Hong Kong

The teenager whose 2014 arrest for protesting against Chinese interference in Hong Kong's electoral process sparked the so-called Umbrella Movement protests has been found guilty of "illegal assembly" by a Hong Kong court. Joshua Wong could face five years in jail. The 79-day street occupation was eventually ended by the authorities.

Joshua Wong convicted for democracy protests in Hong Kong

5. MH370: Search may have been in wrong place

Engineers from the Dutch group Fugro searching for the missing Malaysia Airlines flight MH370 say they may have been looking in the wrong part of the Indian Ocean. The search was based around the idea the pilots were unconscious when the plane crashed. However, if they had been awake, they could have glided the plane further before running out of fuel. Talks about calling off the search will be held tomorrow.

MH370: mysterious 89kg load ‘added to cargo flight list after take-off’

6. Airman was 'victim of kidnap attempt'

An airman who was threatened with a knife near an RAF base in Norfolk was the target of a kidnap attempt, say police. The serviceman, who was not in uniform, was approached by two men near the married quarters at RAF Marham in Norfolk on Wednesday. They tried to grab him before fleeing in a people carrier. Police said they could not rule out terrorism.

7. Britons told to take vitamin D supplements

Britons should consider taking vitamin D supplements in autumn and winter, say public health advisers in England and Wales. Low levels of the vitamin can lead to brittle bones and rickets in children. While it is present in oily fish, eggs and fortified cereals, most people derive the bulk of their vitamin D intake from sunlight on their skin.

8. No 10 planned to use Prince William photos to fight CND

Secret files released by the national archives show Margaret Thatcher's top advisers were concerned that the growth of the Campaign for Nuclear Disarmament (CND) in 1983 could block US plans to station cruise missiles in the UK - and that the PM was urged to release photos of Prince William, then a baby, on the day of a big anti-nuclear march.

Thatcher aides used royal baby to bury anti-nuclear protest coverage

9. Terror arrests in Brazil ahead of Rio Olympics

Federal police in Brazil have ordered the arrest of 12 people believed to be plotting terror attacks at the Rio Olympics and had pledged allegiance to the Islamic State terror group on social media. A number of arrests have been made in the southern states of Sao Paulo and Parana. Justice Minister Alexandre Moraes told a news conference that all those arrested were Brazilian.

From crime & corruption to Zika: Threats to the Rio Olympics

10. Briefing: What will May achieve at 'informal' Brexit talks?

Theresa May will discuss Britain's withdrawal from the EU "frankly and

openly" with European leaders as she meets them face-to-face for the

first time since becoming prime minister. She said she had made a

visit to Berlin and Paris a priority because she is "determined that

Britain will make a success of leaving the European Union" - and she

wanted to send a "clear message" that the UK is committed to

maintaining strong bilateral relations with Europe in the years ahead.

Brexit: Theresa May says ‘trust me’ to deliver