Museum says it cannot recall similar previous event; 19-year-old arrested, questioned by Polish police

Two Islamic State members manufactured explosives with the intention of carrying out bombings

Protesters rally against Palestinian leader for saying terror group behind assassination attempt of prime minister; Ramallah demonstration calls for US diplomats to be expelled

Pedro Pablo Kuczynski, son of a Jewish refugee who fled Nazis, says leaks of of confidential documents raising doubts about his integrity making it impossible to govern

Taylor Force Act, targeting payouts to jailed terrorists, likely to pass this week as part of $1.3 trillion omnibus bill

Officials fear tent protest and march over next several weeks will turn violent; new technology can allow police to use riot control measures in areas previously unreachable

Headlined 'Why Are Jews After Our Guns,' circulars pointing to Sanders, Schumer and others posted at University of Minnesota

Allies mulling tougher sanctions -- albeit only on long-range missiles -- though some say president, who has set no clear parameters for how to fix pact, may not go for it anyway