Port Hartcourt - Gunmen kidnapped four Thai nationals as they travelled to a farm in Rivers State, the local government said on Saturday.
State commissioner for agriculture Emmanuel Chindah said by telephone that the gunmen stopped their vehicle on its way to Omida farms in the Buguma area on Friday. They kidnapped the Thais and their two Nigerian colleagues.
"The two Nigerians were immediately released. But in that process one panicked and jumped into the water and drowned," he said.
Kidnapping levels are high in Rivers State, where petro-dollars have long been a draw for criminal gangs.
The gangs make many millions of dollars a year from extorting ransoms.