81.   The waste killed fish and banned swimming in some areas.

82.   Lake Kivu, its depths boiling with volcanic gases which kill fish, is a narrow border between eastern Zaire and Rwanda.

83.   Officials said there were no reports of humans being poisoned but many fish have been killed, officials in Guangzhou and Zhuhai said.

84.   Some reportedly used explosives to kill the fish.

85.   Some marine biologists speculated that an unknown fish disease or toxin released by a passing ship may have killed the fish, though Nurse doubted chemicals were to blame.