Donald Trump says the White House will "look into" the use of messaging app Signal after a journalist, Jeffrey Goldberg, was added to a group chat discussing air strikes on Yemen. Also: is there life on Mars? Maybe!

Sudanese military denies killing hundreds of people in airstrike on market in Darfur region. Also: Turkish protests continue following arrest of Istanbul mayor, and rare turtle stranded in Wales after Trump aid freeze.

Unrest began last Wednesday in Turkey when Istanbul’s mayor, Ekrem Imamoglu, was detained on corruption charges. Also: top US officials shared classified Yemen strike plans with journalist in group chat.

More than 1,000 people have been detained in Turkey during 5 days of protests about the arrest of President Erdogan's main rival, the mayor of Istanbul. Also: How do elite athletes cope with fasting during Ramadan?

Protests against the arrest of Istanbul mayor, Ekrem Imamoglu, who denies corruption charges, continued on Sunday. Also: earrings worth $769,500 recovered by US police after they had been swallowed.

Half a decade after he died, Diego Maradona's medical team are facing trial in Buenos Aires, as the circumstances surrounding his death are interrogated. His footballing genius made him a cultural icon of stratospheric fame, but why does he continue to transfix Argentinians?

Thousands of demonstrators take to the streets in cities in Turkey and clash with riot police as the mayor of Istanbul, Ekrem Imamoglu appears in court. Also doctors say Pope Francis will leave hospital on Sunday

We meet the man behind A Mug of Life, who says chatting to strangers has made his life better, and everyone should try it. Also: why trusting the kindness of others makes you happier; and a retirement home for penguins.

President Recep Tayyip Erdogan has condemned growing protests in Turkey in the days since the arrest of a key opposition figure. Also: flights resume at London's Heathrow Airport after shutdown caused by fire at electrical substation.

Counter-terrorism police investigate fire at Heathrow power station. Also: Sudan's army recaptures presidential palace in Khartoum and Abercrombie & Fitch's former boss is accused of abuse by 40 men.