Authorities: Bomb threats emailed across US appear to be hoax

NEW YORK (AP) — A wave of bomb threats emailed Thursday to hundreds of schools, businesses and government buildings across the U.S. triggered searches, evacuations and fear — but there were no signs of explosives, and authorities said the scare appeared to be a crude extortion attempt.Law enforcement agencies across the country dismissed the threats, saying they were meant to cause disruption and compel recipients into sending money and were not considered credible.Some of the emails