The victim was hurt on FM 1960 and Cypresswood, while walking in a turning lane of traffic.
PHOTOS: Pedestrian struck on FM 1960
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Deputies said he was hit by a pickup truck, and a few seconds later, another car plowed into him.
RAW VIDEO: Deputies investigate auto pedestrian accident on FM 1960
The man was taken by Life Flight to Memorial Hermann Hospital.
Speed or alcohol were not factors in the accident, deputies said.