US federal authorities are investigating allegations that New Orleans police were told after Hurricane Katrina to "take the city back and shoot the looters".
Police spokesman Bob Young said federal officials asked police for information and for permission to interview officers about the alleged orders.
The US Attorney's office in New Orleans and FBI spokeswoman Sheila Thorne refused to comment on the investigation.
Nato bases hit in RPG attacks
Afghan police said insurgents launched a pair of pre-dawn attacks on Nato bases in eastern Afghanistan.
There was no word on casualties in the attacks early today on the sprawling Forward Operating Base Salerno in Khost province and nearby Camp Chapman, where a suicide bomber in December killed seven CIA employees.
Major Wazir Pacha of the provincial police headquarters said attackers used heavy machine guns and rocket-propelled grenades, but were beaten back into corn fields.
Priests stabbed to death in Peru
Police in Peru said two Roman Catholic priests were stabbed to death inside a historic monastery two blocks from the capital's main square.
The victims are identified as Ananias Aguila of Peru and Linan Ruiz of Puerto Rico.
Homicide department chief Miguel Canlla said they were killed before dawn yesterday.
Police suspect a robbery, but Mr Canlla did not say whether objects of value were missing.
The two clerics ran a soup kitchen for the poor in Lima, and Fr Ruiz directed religious youth groups.
Cocaine hidden inside sausage
A man was arrested after a kilogram of cocaine hidden inside a hollowed-out chunk of bologna sausage was delivered to his home.
Police in Holyoke, Massachusetts, said they were tipped off by postal inspectors in Puerto Rico who were investigating similar shipments. The meat was then repackaged and an undercover postal inspector delivered it to a Holyoke address. The investigation is ongoing.