A speeding miraa truck on Friday morning hit an elephant on Mombasa road sparking fresh debate on the dangers of allowing the SGR to pass through Nairobi National Park.

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Wildlife Direct CEO Paula Kahumbu said via Facebook that the driver of the truck that hit the animal did not notice it as it was dark.

KWS spokesman Paul Gathitu said they were informed of the accident but that the elephant had died by the time they arrived.

"We cleared the area and took the ivory," Gathitu told the Star by phone.

Kahumbu said Kenya Wildlife Service should stop telling Kenyans the lie that the Standard Gauge Railway will have no impact on animal movement.

"My heart is breaking. Railways have no business in parks. We must be the voice for the voiceless," she said via twitter on Friday.

She asked KWS to write to the Nema director general on not letting the railway go through the park regardless of promises about sound deflectors or bridges.