11.   Neither incident appeared to be directly related to the heat, Barry said.

12.   One question the trial may not answer is why so many incidents appear to have occurred over so long a period at Aberdeen.

13.   Philp said the incident appeared to be an accident but his office is investigating.

14.   Space experts said that the incident appeared to be part of a pattern of tightening in matters of national security, prompted mainly by the Chinese disclosures.

15.   The anthrax incident now appears to be only the second successful biological attack documented on U.S. soil.

16.   The cheating incident appears to be one of the largest in the recent history of American public schools, the investigators said.

17.   The incident appeared to be an accident on a rain-slick road, police later surmised.

18.   The incidents appear to be isolated.

19.   The incident appears to be a highly unusual instance of art being stolen ostensibly for political reasons.

20.   The incidents appear to be limited in scope.