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AP Top U.S. News at 6:56 p.m. EDT

Facebook's recurring nightmare: Helping muddy up elections
MENLO PARK, Calif. (AP) -- Facebook has a problem it just can't kick: People keep exploiting it in ways that could sway elections, and in the worst cases even undermine democracy....

Teen girl home, man in custody after both located in Mexico
ALLENTOWN, Pa. (AP) -- A Pennsylvania teenager who was missing for almost two weeks along with the 45-year-old man who frequently signed her out of school without her parents' permission was returned home and the man was in custody after the two were found in Mexico, authorities said....

Police: Suspect accused of fatally stabbing 2 men was drunk
ROCHESTER, Minn. (AP) -- Two men were fatally stabbed at a Salvation Army apartment building in Minnesota, and police arrested a suspect who tried to leave through a rear stairway....

Bridge collapse: Out on errands, killed in an instant
MIAMI (AP) -- They had just finished up lunch, and set off to run a humdrum errand: a drive to the travel agency to pick up airline tickets for their annual visit to their beloved homeland, Cuba....

APNewsBreak: Some wanted Florida suspect committed in 2016
MIAMI (AP) -- Officials were so concerned about the mental stability of the student accused of last month's Florida school massacre that they decided he should be forcibly committed....

Winning $457 million Powerball ticket sold in Pennsylvania
DES MOINES, Iowa (AP) -- If you bought a Powerball ticket in Pennsylvania for Saturday's drawing, you may be holding a piece of paper worth $457 million....

Prospects dim for congestion tolls in New York City
ALBANY, N.Y. (AP) -- The prospects for are worsening for the latest proposal to impose new tolls on motorists entering the busiest parts of Manhattan as skeptical lawmakers balk at the plan....

Security of state voter rolls a concern as primaries begin
SPRINGFIELD, Ill. (AP) -- With the Illinois primary just days away, state election officials are beefing up cyber defenses and scanning for possible intrusions into voting systems and voter registration rolls....

Lawyers: Execution could be 'gruesome' due to rare condition
ST. LOUIS (AP) -- A condemned Missouri inmate faces a potentially "gruesome and painful" execution because of a rare medical condition that compromises the man's veins and causes multiple tumors in his head and throat, his attorney said Sunday....

Bridge victim's grieving uncle lashes out at 'incompetence'
MIAMI (AP) -- As crews removed bodies from beneath a collapsed pedestrian bridge Saturday, a victim's uncle raged against what he called the "complete incompetence" and "colossal failure" that allowed people to drive beneath the unfinished concrete span....

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Up to the Minute
Police: Suspect accused of fatally stabbing 2 men was drunk

Bridge collapse: Out on errands, killed in an instant

Boston celebrates boisterous 117th St. Patrick's Day parade

Police: Car with baby inside stolen; baby found unharmed

3.0-magnitude earthquake rattles parts of central Oklahoma

APNewsBreak: Some wanted Florida suspect committed in 2016

Condemned inmate's medical condition at center of debate

Cirque du Soleil performer dies after fall at Florida show

NTSB: Plane that crashed in Maryland was destroyed on impact

Pipe bomb found in Delaware home of man charged in blast