Korva Coleman

Update at 6:53 p.m. ET Rescuers End Search:

Hillsborough County Administrator Mike Merrill says efforts to find Jeffrey Bush, who disappeared in a sinkhole, have been discontinued. He says that the conditions at Bush's home have become too dangerous for rescue workers.

"At this point it's really not possible to recover the body," Merrill said at a news conference on Saturday.

He says workers will begin efforts to demolish the home on Sunday.

Our Original Post Continues:

After all the hoopla and news of people buying tools to catch Burmese pythons invading Florida, the state's monthlong hunt for them is over. Hunters caught 68 pythons. That's right, 68, according to The Associated Press, even though 1,600 people signed up with the Florida Fish and Wildlife Commission to search for them.

The top of this post was updated on Feb. 17 at 6:04 a.m.

At least 81 people are dead and another 180 are wounded after an explosive device went off in a crowded marketplace in Quetta, Pakistan. Photos from the scene show heavy smoke rising over buildings.

They thought they'd managed this problem a few years ago. But Washington state Gov. Jay Inslee got a disturbing call Friday from Energy Secretary Steven Chu: Nuclear waste is leaking out of a tank in one of the most contaminated nuclear waste sites in the U.S.

The U.S. Ski and Snowboard Association says that American skier Lindsey Vonn crashed during the women's world Super-G competition in Austria today and was airlifted to a nearby hospital. Reports indicate she may have a serious knee injury.

The gold-winning Olympian was trailing the race leader by 0.12 seconds, according to the USSA, when she crashed. She was taken for medical treatment by helicopter, which the organization says is 'standard protocol'.

Vice President Joe Biden says the United States is ready to hold direct talks with Iran over its nuclear program — provided that the country's top leader is serious about such discussions.

The Japanese Meteorological Agency says an extremely strong earthquake rattled the northern Japanese island of Hokkaido on Saturday. The magnitude was 6.4. The U.S. Geological Survey's report puts the tremor at a higher magnitude of 6.9; the epicenter was very deep, about 65 miles below ground, near the city of Obihiro. That's about 120 miles east of Hokkaido's largest city, Sapporo.

The White House has released proof that President Obama really did shoot skeet — at least once — at the Maryland presidential retreat, last summer.

The security situation in Northern Mali has improved with the arrival of the French military last month, so French president Francois Hollande traveled there Saturday for a one-day visit. He didn't stay in the southern capital, Bamako, which has remained under Malian government control, but instead flew north to the ancient city of Timbuktu to meet residents and thank French troops for their work in ousting Islamist rebels from the historic city.

It was probably a first for Norway when a truck trailer full of sweet goat cheese caught fire near the town of Narvik late last week, blocking a road tunnel. it took four days for firefighters to put out the flames. No one was hurt. Norwegian Broadcasting says the tunnel was so badly damaged that geologists are checking it for safety, and any lingering toxic gases.