31.   The Michoacan authorities originally acknowledged that one soldier had been killed in the ambush, but attributed the attack to narcotics traffickers.

32.   This is the first time anyone can remember that Chinese authorities openly acknowledged that they can close down the sources of pollution for political reasons.

33.   Today, authorities acknowledge that the system and its regulations have produced powerful disincentives to private investment.

34.   Union Pacific authorities acknowledge delays and other problems in Texas that have affected service in other states, and say they are working to improve operations.

35.   While defending their actions, authorities acknowledged that danger signs were either missed or misinterpreted.

36.   Algerian authorities have acknowledged a lapse in security at Houari Boumediene Airport and promised to take unspecified action, but foreign transporters remained wary.

37.   And that in sum, is a basic fact that the authorities have acknowledged.

38.   An investigation into police conduct is larger than authorities have publicly acknowledged and now includes at least seven questionable shootings by officers, the Los Angeles Times reported today.

39.   Authorities acknowledge that they are powerless to stop the convoys of trucks loaded with stripped and stolen metal that illegally cross the northern border with Montenegro every day.

40.   Authorities acknowledged he was detained Wednesday for questioning about a student protest, but said he would be released soon.