A youth rinses his toothbrush with bottled water in Flint, Michigan. Photograph: Brittany Greeson/The New York Times

Two state employees will face charges related to the Flint water crisis in Michigan. The two are accused of refusing to order chemical treatment tha(...)

 New York could also inject a new momentum behind the leader in the Republican race, businessman Donald Trump, in his bid to be the party’s nominee. He has 744 delegates to 559 for Texas senator Ted Cruz. Photograph: Christopher Lee/The New York Times

The second-biggest prize in the Democratic presidential election – and the fourth-biggest in the Republican race – will be up for grabs when primary v(...)

Paul O’Brien: Growth Hacker and start-up consultant

“Tech hub” is a meaningless term. As the sector grows in size and influence, almost every city in the US has attached the label to its list of local a(...)

Whither Wisconsin?: Republican presidential candidate Donald Trump looks to supporters as he leaves a campaign stop yesterday, in Appleton, Wisconsin. Photograph: Nam Y Huh/AP

The danger signs are mounting for Donald Trump in Wisconsin: right-wing radio hosts are flaying him, governor Scott Walker and other elected Republica(...)

The three men are accused of knowing about allegations of abuse against the friar, Brother Stephen Baker, but of not reporting him to the police.

Three former leaders of a Franciscan religious order in Pennsylvania have been charged over allowing a friar who was a known sexual predator to repeat(...)

Republican US presidential hopeful Ohio Governor John Kasich celebrates his Ohio primary victory. Photograph: AFP

After a critical win on his home turf, Ohio Governor John Kasich begins a new phase of his long-shot presidential campaign that his aides hope will ul(...)

Democratic presidential candidate Hillary Clinton holds a rally in Palm Beach after winning the Florida primary. Photograph: EPA

Republican candidate Donald Trump scored more big victories in his bid to be the party’s presidential nominee, winning the key state of Florida and kn(...)

Bob Bolus, a supporter of US Republican presidential candidate Donald Trump, gives the thumbs up to drivers as they pass by on Super Tuesday in Middleburg Heights, Ohio. Photograph: Aaron Josefczyk/Reuters

Donald Trump could take a giant step on Tuesday toward securing the Republican presidential nomination if he wins the Florida and Ohio primaries, whi(...)

Democratic US presidential candidates Senator Bernie Sanders and Hillary Clinton pose before the start of the  Democratic US presidential candidates debate in  Florida on Wednesday. Photograph: REUTERS/Carlo Allegri

Hillary Clinton, rattled by her Democratic presidential rival Bernie Sanders’s upset in Michigan and what it means for upcoming state contests in the (...)

Democratic US presidential candidate Hillary Clinton at the eighth Democratic presidential debate hosted by Latin TV network Univision in Miami. Photograph: Carlo Allegri/Reuters

Democratic frontrunner Hillary Clinton dodged a question at a presidential debate about why she suffered a surprise loss to rival Bernie Sanders in Mi(...)