Two Australian tourists died and 16 others were injured when the vehicle they were in crashed along a highway west of the Kenyan capital Nairobi.

A Cabinet minister and an assistant minister were killed along with two other people when their small plane crashed in south-western Kenya, President Mwai Kibaki said.

Hundreds of Maasai warriors, women and children marched today, briefly blocking a main road leading to a game reserve popular among tourists, to press for the re-arrest and prosecution of a prominent Kenyan accused of killing of a Maasai game park warden.