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US National Security Adviser John Bolton has warned Iran's rulers that there will be "hell to pay" if they harm the US, its citizens or allies. His comments came hours after President Donald Trump accused Iran of sowing "chaos, death and destruction" across the Middle East. Iranian President Hassan Rouhani responded by criticising the Trump administration for its hostility. The US recently imposed sanctions after leaving the 2015 Iran nuclear deal. The accord, negotiated by former President Barack Obama, saw Iran limit its nuclear activities in exchange for sanctions relief. Mr Trump believes renewed economic pressure will force Iran to agree to a new deal. What did the US say about Iran? Mr

Instagram has attracted a billion users since it was launched in 2010. Now, its founders have announced they are quitting the company. Kevin Systrom and Mike Krieger have overseen the app's rapid rise. But what made their idea so successful? And how has it continued to grow? The story, rather fittingly, begins with a picture of a dog. Kevin Systrom's photograph of a stray dog sitting near a taco stand in Mexico is the first image ever shared on Instagram. The app's co-founder captioned it 'test', and uploaded it a few months before his idea was launched to the public on October 6 2010. "Had I known it was going to be the first photo on Instagram I would have tried a bit harder," Mr Systrom later

The United Nations General Assembly laughs after President Trump claims his "administration has accomplished more than almost any administration in the history" of the United States.

Salman bin Abdulaziz Al Saud, King of Saudi Arabia, launched a high-speed railway linking Mecca and Medina named Harmain High Speed Rail at a ceremony held in Jeddah on Tuesday. The train, described as the biggest transportation project in the region, will transport pilgrims and regular travelers, 450 kilometers between the two cities in two hours. According to officials, 35 passenger trains that can travel at speeds of 300 km per hour will cut down travel time to 120 minutes. “This project is considered the biggest transport project in the Middle East,” Mohammed Falaha, a Haramain project manager, told AFP.

Dancer Ginger Rogers famously did everything her partner Fred Astaire did, but backwards and in high heels. And the Duchess of Sussex seemed to have taken the example to heart when she took on her husband Prince Harry in a netball shootout. Meghan arrived in towering stiletto heels for an awards ceremony at Loughborough University - but still got stuck into a sports masterclass. The royal couple were snapped laughing their way through the on-court contest. Meghan was joined by a roster of sports stars including tennis player Laura Robson, gymnastics coach Scott Hann, and England netballer Eboni Beckford-Chambers - an obvious advantage, you might think. Not to be outdone, Harry's team got a boost

Malaika Arora, Kareena Kapoor and Amrita Arora at the gym. Sunny Leone Taimur Ali Khan waves to the media. Manish Malhotra and Karisma Kapoor Shraddha Kapoor poses during the promotion of the upcoming drama Hindi film 'Batti Gul Meter Chalu'. (AFP) Yami Gautam Photo: AFP Nick Jonas and Priyanka Chopra Photo: Instagram Photo: Instagram Anushka Sharma Deepika Padukone Kareena Kapoor Lara Dutta with husband Mahesh Bhupathi Sonam Kapoor Kareena Kapoor spotted shooting at Film City. Athiya Shetty Alia Bhatt with friends out for lunch. Shahid Kapoor and Shraddha Kapoor Virat Kohli and Anushka Sharma Sussanne Khan Abhishek picks-up Aishwarya and Aaradhya at the airport. Shahid Kapoor Jahnvi Kapoor and