CIUDAD ACUNA, Mexico — A tornado raged through a city on the U.S.-Mexico border Monday, destroying homes, flinging cars like matchsticks and ripping an infant from its mother's arms. At least 13 people were killed, authorities say. .

US-ISLAMIC STATE

WASHINGTON — Vice President Joe Biden reassures Iraq's government of U.S. support in the fight against the Islamic State group, telephoning Prime Minister Haider al-Abadi with thanks for "the enormous sacrifice and bravery of Iraqi forces" one day after Defense Secretary Ash Carter questioned the Iraqi military commitment. 

US-IRELAND-GAY MARRIAGE-Q&A

NEW YORK — Ireland's national referendum on same-sex marriage, which was approved by 62 percent of the voters, comes just weeks ahead of an expected ruling by the U.S. Supreme Court on whether to legalize gay marriage throughout the United States. A look at some of the parallels and contrasts in the two countries' situation. 

CHILE-CHINA PREMIER

SANTIAGO, Chile — China's Prime Minister Li Keqiang and Chilean President Michelle Bachelet sign a currency swap deal seeking to deepen economic ties by boosting trade and investment. 

PRESIDENTIAL RACE-SANDERS

For a vocal group of liberals who aren't satisfied with Hillary Rodham Clinton, Vermont's self-described "democratic socialist" senator isn't the candidate they want. But Bernie Sanders is the candidate they're about to get. By Dave Gram and Ken Thomas. 

AIRLINER-ESCORT

NEW YORK — Anonymous telephone threats against commercial airliners, possibly from the same source, cause a scare involving at least six international flights at airports in New York, New Jersey and Massachusetts. 

CLEVELAND-POLICE-SETTLEMENT

WASHINGTON — The city of Cleveland has reached a settlement with the U.S. Justice Department over a pattern of excessive force and civil rights violations by the police department, according to a senior federal law enforcement official.