51.   The BBC reported that speculation also was focusing on food poisoning or lack of water.

52.   The case has not been solved, but speculation focused on Chinese gangs, possibly trying to prevent articles on their activities from appearing in the magazine.

53.   The motive for the attack is unknown, but speculation has focused on triads, Chinese criminal groups.

54.   U.S. Defense Secretary William Perry said initial speculation focused on fault instrumentation.

55.   U.S. Defense Secretary William Perry said speculation focused on faulty instrumentation.

56.   U.S. Defense Secretary William Perry said Thursday that initial speculation focused on faulty instrumentation.

57.   U.S. Defense Secretary William Perry said initial speculation focused on faulty instrumentation.

58.   With a U.S. retaliatory strike against Afghanistan looming, much speculation has focused on Uzbekistan serving as a possible base for U.S. forces.

59.   With Philippine officials ruling out hostile fire, speculation focused on mechanical failure.

60.   Early speculation focused on the state of his health, as well as supposed resistance among the military.