11.   French U.N. officials said a single shell from an unknown source was fired at the drop area but caused no damage or casualties.

12.   He suffers from CUPS, or cancer from an unknown primary source.

13.   In England, thousands of people were locked out of their cars when radio interference from an unknown source jammed their electronic locks.

14.   It was attributed to an email message from an unknown source.

15.   Later, two Israeli army jeeps arrived to escort out a news photographer whose vehicle had come under fire from an unknown source.

16.   Muller said he received the documents from an unknown source and returned them to the FDA.

17.   The use of security certificates is one way to address the concern about launching software on your desktop computer that came from an unknown source.

18.   They never bring in firewood from an unknown source and any firewood taken from the property sits for at least a year under clear plastic.

19.   As has been the case since Friday night, automatic gunfire from unknown sources was heard sporadically as militant youths tossed gasoline bombs at police armored cars.

20.   Bergamino told investigators that Fujimori eventually replaced the money with funds from an unknown source, the newspapers reported.