Six American troops and civilians were killed in attacks on Saturday in southern and eastern Afghanistan as the U.S. military's top officer began a weekend visit to the country, officials said.

Amid mounting tensions between the U.S. and North Korea, U.S. officials are examining a range of North Korean missiles, including the Rodong version once supplied by Pyongyang to Pakistan, senior western diplomats told CBS News.

A man shot dead another man at a day care center in Quebec then killed himself, and the 53 children present were evacuated unharmed. Police said some may have watched the killings.

The South African presidency says former President Nelson Mandela has been discharged from a hospital after an improvement in his condition.

83 more victims were killed in fighting Friday, rebel group says. Embattled president says he will not give up, after Syria's civil war has claimed some 70,000 lives already.

Communications suggest a North Korea missile launch is a possibility, a U.S. official says. From the State Department: "This does not need to get hotter." But France does not plan to evacuate its diplomats.

Financial problems drive one couple to hang themselves, police say, while a national politican adds the tragedy illustrates "shame of poverty."

A U.S. official confirms reports that North Korea has loaded a pair of missiles into launchers. Communications suggest a North Korea missile launch is a possibility.

Kim Jong Un, North Korea's untested 30-year-old dictator, remains largely an unknown entity to the United States.

North Korea has moved a missile with "considerable range" to its east coast, South Korea's defense minister said Thursday, but he added that there are no signs that Pyongyang is preparing for a full-scale conflict.

Engineering students in India have created electronic underwear they claim can protect the wearer from sexual assault.

The U.S. is deploying a ballistic missile defense system to Guam in the coming weeks, its latest response to daily threats and provocations from North Korea.

North Korea on Wednesday barred South Korean workers from entering a jointly run factory park just over the heavily armed border in the North, officials in Seoul said, a day after Pyongyang announced it would restart its long-shuttered plutonium reactor and increase production of nuclear weapons material.

John Kerry addressed reporters in a dual press conference with his South Korean counterpart, Yun Byung-se, in Washington after the two discussed the escalating tensions and near daily warlike threats.

Former South African President Nelson Mandela's condition continues to improve, the country's presidential office said.

Young female children are forced to marry elderly men in parts of the world. This is one woman's story to help stop this practice.

Two people in China have died and another remains critical after falling ill with a strain of bird flu not detected before in humans, the official Chinese news agency Xinhua reported.

Pope Francis celebrated his first Easter Mass with departures from the style of his predecessor even as he delivered a traditional call for peace.

A principal was killed and eight other people were injured in a grenade and gun attack on a school in the Pakistani city of Karachi, a police spokesman said Saturday.

The United States has sent F-22s stealth fighter jets to South Korea Sunday as a part of a military exercise, emphasizing the U.S.'s commitment to Seoul amid an intensifying war of words with North Korea, the U.S. military said in a statement.

As the Senate prepares to vote on perhaps the most critical piece of the Obama administration's gun safety proposals, President Obama and Vice President Joe Biden have met privately with a handful of Republican senators in a behind-the-scenes push to gin up success, an Obama administration official confirmed to CBS News.

Pope Francis is making an Easter Sunday peace plea, saying conflicts have lasted too long in Syria, and between Israelis and Palestinians.

A senior Obama administration official told CBS News Friday that North Korea's belligerent words and war-like preparations are more bluff than bite.

North Korea threatens "all-out war and nuclear war" on its enemies, state news reports. South Korea doesn't consider latest threat "new," its unification ministry says.

A 5.5-magnitude earthquake struck Mexico's Pacific coast in the southern state of Oaxaca Tuesday morning, near the city of Santiago Pinotepa Nacional, the U.S. Geological Survey reported.