A Vietnamese woman accused of killing the North Korean leader’s brother pleaded guilty to a lesser charge of "causing hurt by a dangerous weapon".
Doan Thi Huong, who is the only suspect in custody for the killing, has been handed a prison term of three years and four months in a Malaysian court on Monday.
Her lawyer said she could be freed by May.
The surprise reduction in charges came after authorities rejected a request for her murder charge, which carried a mandatory death penalty, to be dropped entirely.
Earlier, the attorney-general withdrew the charge against Indonesian co-defendant Siti.
Kim Jong-Nam was assassinated at Kuala Lumpur Airport in 2017 in broad daylight, with the toxic nerve agent VX.

Strike hits Beirut apartment block as Israel presses attacks
Six killed in Swiss bus blaze after person reportedly sets themselves on fire
Thailand's Phuket airport closes runway after Air India Express plane malfunction
US says it destroyed mine-laying vessels as Trump warns Iran over strait
Britain working with allies to support shipping through Strait of Hormuz
Wildlife to replace humans on next series of UK banknotes
Five Iranian women's soccer players granted humanitarian visas in Australia
Almost 700,000 displaced after Israeli strikes on Lebanon, UN agencies say
