Krishnadev Calamur

Worker-rights groups are calling labor conditions in Qatar "horrific" and urging FIFA sponsors to take responsibility ahead of the 2022 soccer World Cup. Their call comes on the same day the BBC said a reporting crew spent two nights in a Qatari jail for trying to film migrant workers who are building the infrastructure for the sporting event.

One of the assistant conductors on the Amtrak train that derailed Tuesday, killing eight people and injuring more than 200, has told investigators that just prior to the crash she heard a radio transmission from the engineer that the locomotive had been struck, the National Transportation Safety Board said Friday.

"Our investigation has not independently confirmed this information, but we have seen damage to the left-hand lower portion of the Amtrak windshield that we have asked the FBI to come in and look at for us," NTSB board member Robert Sumwalt said.

Updated at 5:53 p.m.

Reactions are pouring in to the death penalty handed Friday to Dzhokar Tsarnaev, the convicted Boston Marathon bomber.

We will update this post with more reactions as we get them.

Survivors, Families Of Victims Speak

Several survivors of the bombing and the families of the victims held a news conference following the verdict.

The U.N. says it is concerned by fighting between Syrian government forces and the self-declared Islamic State near the ancient city of Palmyra.

President Obama assured allies in the Persian Gulf the U.S. would stand by them in the event of an external attack, tried to assuage their fears over U.S. talks with Iran over its nuclear program and said he shared their concerns about the Islamic republic's "destabilizing actions in the region."

New England Patriots quarterback Tom Brady is appealing his four-game suspension in connection with the "deflategate" scandal.

The NFL Players Association filed the appeal today on Brady's saying:

"Given the NFL's history of inconsistency and arbitrary decisions in disciplinary matters, it is only fair that a neutral arbitrator hear this appeal.

Two days after rejecting a measure to take up a bill granting President Obama fast-track trade authority, the Senate voted to move ahead with considering the legislation.

The vote was 65-33.

NATO foreign ministers in Antalya, Turkey, were persuaded at the end of their meeting this week to come up on stage for a rendition of "We are the World."

Here's the video:

Boatloads of migrants fleeing Myanmar and Bangladesh who were turned away by authorities in three countries are adrift in the Andaman Sea near Thailand.

Here's the video, captured by The New York Times:

Thailand is the latest country to turn them away — after Malaysia and Indonesia did the same this week. An estimated 6,000 to 20,000 migrants are at sea in the region.

Updated at 7:27 p.m. ET

Five people, including an American, are confirmed dead and at least five others wounded in Kabul after an attack by gunmen on a guesthouse popular with foreigners in the Afghan capital. India's ambassador to Kabul said "a few Indian casualties" were among the victims.

The information about the American victim came from the U.S. Embassy in Kabul, news organizations said. No other details were provided.