Scientists say they now have a near-perfect picture of the genetic events that cause breast cancer. 

A passenger train derails near the Dutch town of Dalfsen, leaving one person dead. 

Former president George W Bush is to hit the campaign trail to boost younger brother Jeb’s faltering presidential nomination bid. 

A New York City police officer is convicted of manslaughter for fatally shooting an unarmed black man in a darkened stairwell. 

Brazil says there is no chance that the Rio Olympics will be cancelled because of a Zika virus outbreak. 

The World Health Organization predicts, three to four million people could be infected with Zika virus in the Americas this year. 

Brent crude sank by 4.2% to $34.88 a barrel, surpassing its late December fall, and taking the price to its lowest level since 1 July 2004.