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
Man struck by two vehicles left in critical condition
The man was taken by Life Flight to Memorial Hermann Hospital.
Speed or alcohol were not factors in the accident, deputies said.