11.   The jury concluded Chevron releases unknown amounts of toxic substances, several jurors told The Examiner this week.

12.   The man demanded money from Mrs. Parks, and after she gave him an unknown amount he struck her in the face, Officer Ray said.

13.   The planet absorbs energy from the sun that drives its weather and climate, but it also reflects an unknown amount of energy into space.

14.   A major fire engulfed five villages near the Chernobyl nuclear power plant Tuesday, sending an unknown amount of radioactive particles into the atmosphere, officials said.

15.   A priest kidnapped two weeks ago from his church was freed Monday after family members paid an unknown amount of ransom.

16.   A major fire raced through five villages near the Chernobyl nuclear power plant Tuesday, sending an unknown amount of radioactive particles into the atmosphere, officials said.

17.   After robbing the officers of their weapons, the attackers escaped in their getaway car with an unknown amount of cash, police said.

18.   An unknown amount of the substance was released, Tulsa Fire Capt. Hubert Rouse said.

19.   Another man charged in the slayings, Donaldson Samuel, testified last week he stole an unknown amount of American and British money from the boat.

20.   Armed robbers shot dead an Italian volunteer worker in his home early Saturday before fleeing with an unknown amount of cash and other items, the police spokesman said.