21.   Police also implicated Spasojevic and a fourth man in the attack, as well as two unidentified persons.

22.   Pemex blamed the leak on unidentified persons puncturing the duct in an attempt to steal gasoline.

23.   Press Trust of India news agency quoted unnamed officials as saying that some unidentified persons came to the mosque and set it ablaze.

24.   A third, unidentified person remained at large.

25.   A warrant accusing an unidentified person of the same charge also was issued.

26.   A spokesman for the U.S. Embassy confirmed the F.B.I. had been picked someone up for questioning in Mombasa but said the unidentified person was later released.

27.   A Romanian businessman was shot in his car by unidentified persons while he was returning, police reported Thursday.

28.   A third unidentified person was also killed.

29.   According to Sarajevo police spokesman Adnan Kosovac, an unidentified person dropped hand granade under a trolley-bus full of morning commuters in the center of the city.

30.   According to Royal Forestry Department Deputy Director General Prawat Thanadka, the money was delivered by an unidentified person to his residence earlier this month.