A student fatally shot one classmate and wounded four others when he opened fire in the cafeteria of his Washington state high school on Friday, following a fight with fellow students, authorities said.
World leaders gather in New York this week to tackle a host of crises: the violence Islamic State militants are wreaking in Iraq and Syria, the exponential spread of the deadly Ebola virus in Africa and deadlocked negotiations on Iran's nuclear program.
Mexico is investigating a June shootout between the army and alleged gang members that killed 22 of the suspects, the attorney general's office said in a statement on Friday.