AP Top News at 3:49 p.m. EDT

Iran nuclear talks near deadline; differences remain
LAUSANNE, Switzerland (AP) - Negotiations over Iran's nuclear program reached a critical phase Monday with diplomats struggling to overcome substantial differences just a day before a deadline for the outline of an agreement. With Tuesday's target date for a framework accord just hours away, the top diplomats from the five permanent members of the U.N. Security Council and Germany were meeting with Iran to try to bridge remaining gaps and hammer out an understanding that would serve as the basis for a final accord to be reached by the end of June.


NEWS GUIDE: The gaps as Iran talks hit crunch time
Centrifuges. Sanctions. Nuclear research. Sticking points remain on some of the most basic issues as negotiations between world powers and Iran over Tehran's nuclear program hit crunch time. Tuesday is the deadline for the two sides to finalize a framework agreement. That deal, if it can be reached, is supposed to be the basis for a final accord by the end of June detailing steps for Iran to scale back its uranium enrichment and other technology that could be used to make nuclear arms.


Prosecutors: Co-pilot treated for suicidal tendencies
DUESSELDORF, Germany (AP) - The co-pilot of Germanwings Flight 9525 that crashed into the French Alps last week had received treatment for suicidal tendencies several years ago, prosecutors said Monday. Duesseldorf prosecutors say co-pilot Andreas Lubitz, 27, had received psychotherapy "with a note about suicidal tendencies" for several years before becoming a pilot.


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Latest on NSA shooting: Driver refused orders to stop
3:55 p.m. Authorities aren't saying yet why two men dressed as women tried to enter the National Security Agency's campus at Fort Meade, Maryland without permission shortly before 9 a.m. Monday. But the NSA has issued a statement providing a point by point description of what happened next.


Trevor Noah set to replace Jon Stewart on 'The Daily Show'
NEW YORK (AP) - Trevor Noah, a 31-year-old comedian from South Africa who has contributed to "The Daily Show" a handful of times in recent months, will become Jon Stewart's replacement as host, Comedy Central announced Monday. Noah was chosen a little more than a month after Stewart unexpectedly announced he was leaving "The Daily Show" following 16 years as the show's principal voice.


Church van crashes into canal, killing 8 and injuring 10
FORT PIERCE, Fla. (AP) - The congregants of a close-knit Haitian church gathered Monday around Nicolas Alexis, hoping to learn what happened to 18 friends and loved ones who had been expected to return that morning from a late Palm Sunday service. Alexis described how he frantically tried to check who was alive after their overloaded church van crashed in the darkness in rural southwest Florida.


Saudi-led forces strike Yemen rebels, blockade ports
SANAA, Yemen (AP) - Saudi-led naval forces imposed a blockade on Yemen's ports as coalition airstrikes on Monday repelled an advance on the southern port city of Aden by Shiite rebels and forces loyal to a former president, in what appeared to be the most intense day of fighting since the air campaign began five days ago. The move to block ports appeared aimed at preventing the rebels, known as Houthis, from rearming, and comes after the coalition achieved full control of the skies and bombed a number of rebel-held airports. The rebels are supported by Iran, but both Iran and the Houthis deny Tehran has armed them.


Prosecution rests its case against Boston Marathon bomber
BOSTON (AP) - Prosecutors rested their case against Boston Marathon bomber Dzhokhar Tsarnaev on Monday after jurors in his federal death penalty trial saw gruesome autopsy photos and heard a medical examiner describe the devastating injuries suffered by an 8-year-old boy killed in the 2013 terror attack. At least three jurors cried and wiped their eyes with tissues as they looked at photos of Martin Richard, who went to watch the marathon with his parents and siblings April 15, 2013, and was killed when the second of two pressure-cooker bombs exploded near the finish line.


Obama: Politicians should carry themselves more like Kennedy
BOSTON (AP) - President Barack Obama summoned today's quarrelsome political leaders to emulate the late Sen. Edward M. Kennedy in the pursuit of compromise on Monday, and said a new institute that bears the longtime Massachusetts senator's name can be as much an antidote to political cynicism as the man once was. "What if we carried ourselves more like Ted Kennedy? What if we were to follow his example a little bit harder?" the president asked a crowd of family, former aides and political dignitaries of both parties under a tent in raw weather just outside the doors of the Edward M. Kennedy Institute.


Exercising critically ill patients may help speed recovery
WASHINGTON (AP) - The intensive care unit is a last frontier for physical therapy: It's hard to exercise patients hooked to ventilators. Some hospitals do manage to help critically ill patients stand or walk even if they're tethered to life support. Now research that put sick mice on tiny treadmills shows why even a little activity may help speed recovery.