Just when it looked as if the bleeding had stopped, it started up again. A rally in U.S. stocks evaporated in the minutes before the closing bell, sending the Dow Jones industrial average down more than 200 points and extending Wall Street's losing streak to six days — the longest such stretch in more than three years. Where the market might bottom out is anyone's guess — not exactly comforting news to anyone whose retirement savings or down payment on a house are tied up in stocks.

WASHINGTON — A key U.S. Republican committee chairman acknowledges that the White House lobbying campaign for the Iran nuclear deal has generated results, and says he doesn't know if opponents of the deal can prevail.

DUBUQUE, Iowa— Republican presidential candidate Donald Trump engages in a prolonged confrontation with the anchor of the nation's leading Spanish-language network during a news conference, first having the well-known news personality removed before allowing him back in.

ENGLEWOOD, Colorado — Jeb Bush came to the Veterans of Foreign Wars post to talk about veterans' affairs but two words hung over the town hall event in a Denver suburb Tuesday: anchor babies. That's the loaded term that Republican presidential front-runner Donald Trump has used to refer to U.S.-born children of people who come to the country illegally. The babies have automatic U.S. citizenship under the first section of the 14th Amendment to the Constitution, something that Trump and other foes of high immigration levels decry.

The World Meeting of Families, the central religious event of Pope Francis' first visit to the United States, is intended to convey a message of love and joy as it seeks to promote church teaching on marriage. Yet four weeks away from its opening in Philadelphia, friction is mounting as lesbian, gay, bisexual and transgender Roman Catholics lobby for a broader role in the event and organizers move to limit them.

SACRAMENTO, California— One of the three Americans who helped stop a terror attack on a high-speed train traveling from Amsterdam to Paris returned home to California.

WASHINGTON — Senior staff at the U.S. Embassy to Japan, including Ambassador Caroline Kennedy, have used personal email accounts for official business, an internal investigator says in a report. Some emails contained sensitive information.

SAN ANTONIO DEL TACHIRA, Venezuela — More than 100 Colombians began fleeing their homes in Venezuela, wading knee-deep through a river separating the two countries, as President Nicolas Maduro vowed to extend a crackdown on illegal migrants living along the border.

SPOKANE, Washington — Firefighters in Washington state keep a wary eye on rising temperatures and winds that threaten to expand what's already the largest wildfire on record in the state.

PHILIPPI, West Virginia — A 14-year-old boy held 29 students and a teacher at gunpoint in a West Virginia high school classroom Tuesday afternoon before he released them after negotiations and surrendered, authorities said. No injuries were reported. By Jonathan Mattise and John Raby.

JACKSON, Mississippi— A federal judge temporarily blocks the state of Mississippi from using two drugs in executions, shutting down the death penalty in the state for now.

GUATEMALA CITY — Guatemala's former vice president is ordered to stand trial, while the Supreme Court takes the first step in allowing impeachment proceedings against President Otto Perez Molina in a fraud scandal that is pushing the country into political crisis.

CENTENNIAL, Colorado — The mother of Colorado theater shooter James Holmes gave an impromptu public apology Tuesday, telling a judge during his sentencing hearing that her son feels remorse but his mental illness and medications made it hard for him to express it.

LOS ANGELES — Officials in Los Angeles County are adopting a get-tough tactic to deter men from soliciting sex from girls who are forced into prostitution — charging them with crimes that could mean prison time and registration as a sex offender.

MEXICO CITY — Illegal logging more than tripled in the monarch butterfly's wintering grounds In central Mexico, reversing several years of steady improvements, investigators announce.

LOS ANGELES — Eight people across the U.S. who registered to use Ashley Madison are suing the website for cheaters after hackers released personal and detailed information of millions of users, including financial data and sexual proclivities.