Military officials were starting Friday to piece together what may have pushed an Army psychiatrist trained to help soldiers in distress to turn on his comrades in a shooting rampage that killed 13 people and wounded 30 in Texas.

The unemployment rate has surpassed 10 percent for the first time since 1983 -- and is likely to go higher.

British Prime Minister Gordon Brown warned Friday that the West could withdraw support for Afghan President Hamid Karzai if he fails to live up to its expectations in his second term in power.

Some pigs, turkeys and household pets have become infected with the H1N1 flu, but the pandemic virus does not yet appear to be spreading quickly among animals, the World Health Organisation said on Friday.

His name appears on radical Internet postings. A fellow officer says he fought his deployment to Iraq and argued with soldiers who supported U.S. wars. He required counseling as a medical student because of problems with patients.

Iran said on Friday it is preparing to give more details on its response to international proposals for supplying nuclear fuel and expects more negotiations, even as Washington warned the time for talking is over.

Zimbabwe averted a political meltdown Friday after Prime Minister Morgan Tsvangirai ended a boycott of the unity government, but faced a new deadline to resolve a slate of thorny disputes.

U.S. President Barack Obama is set to sign a US$24 billion economic stimulus bill providing tax incentives to prospective homebuyers and extending unemployment benefits to the longtime jobless who have been left behind as the economy veers toward recovery.

Ousted Honduran President Manuel Zelaya said Friday that a U.S.-brokered pact failed to end a four-month political crisis after a deadline for forming a unity government passed.

The medical marijuana dispensary in this California wine country town is in a former auto dealership, and has more registered patients than the town has residents. Los Angeles has more pot shops than Starbucks and almost as many as public schools.