41.   A nationwide search was underway for Serov, who is considered to be potentially violent and very dangerous, police spokesman Geert Piorkowski said.

42.   A search was underway for the other passengers.

43.   A search-and-rescue operation was underway for the American pilot, who the Italian foreign minister said had survived.

44.   A search was still underway for the missing man, who was thrown into the river by the explosion, Antara said.

45.   A manhunt was underway for Yang Xiaobo, a member of the city legislature and the suspected main organizer of the concert, it said.

46.   A massive manhunt is still underway for three North Koreans believed to be at large.

47.   A search is underway for more, although police said if any people were still at large they numbered just a handful.

48.   A search was underway for the pilot.

49.   A search was underway for the thieves.

50.   A similar search is underway for another child sex suspect Philip Bell, who fled to Switzerland and later Albania.