A desperate search is underway for a father and his baby son who vanished from Netherton on Friday afternoon.
Adam Skindzier, 44, and six-month-old Nathan were last spotted around 4pm, with Skindzier believed to be driving a black Mercedes.
Merseyside Police described the father as white, 6ft1 tall, and of large build.
"Extensive enquiries are ongoing to locate Adam and Nathan," said a police spokesperson. "We would urge Adam, or anyone who knows where he is, to call police."
Officers are making "extensive efforts" to find the missing pair and ensure their safe return.
Anyone with information is urged to contact Merseyside Police immediately.