Israel: A car bomb exploded in a West Jerusalem market crowded with shoppers earlier this month, killing two suicide bombers and injuring at least 23 people. The market was the scene of an earlier terrorist bombing, in July 1997, when two attackers blew themselves up and killed 16 people. . . . Mexico: A Swiss tourist was shot to death when he tried to videotape a train robbery, and three other foreign tourists were injured by gunmen who held up the Chihuahua-Pacific Railway, a popular scenic ride in Chihuahua state. . . . Chile: The arrest in London of former Chilean President Augusto Pinochet has touched off demonstrations in Santiago. The U.S. Embassy advises Americans in Chile to take common-sense precautions and avoid big gatherings. . . . France: Students held large-scale demonstrations in Paris last month, and more such demonstrations and protests are possible throughout the country. They hold the potential for violence, and the State Department advises travelers to stay current on developments. . . . Nepal: The U.S. Embassy recently warned Americans in Katmandu of a significant increase in Maoist insurgent activity throughout Nepal. Terrorists have attacked both Nepalese government sites and civilian foreign aid organizations. Americans are cautioned to minimize road travel outside the Katmandu Valley.