GENEVA (AP) — International efforts to combat a new pneumonia-like virus that has now killed 22 people are being slowed by unclear rules and competition for the potentially profitable rights to disease samples, the head of the World Health Organization warned Thursday.

WASHINGTON (AP) — President Barack Obama is lifting his self-imposed ban on transferring Guantanamo Bay detainees to Yemen, where a leadership upheaval has improved the country's security but not eliminated the terrorist organization trying to recruit jihadists.

WASHINGTON (AP) — A website partially funded by the oil and gas industry could be a "constructive" tool for federal regulators as they consider requiring public disclosure of chemicals used in hydraulic fracturing operations, Senate Energy Committee Chairman Ron Wyden said Thursday.