Avon and Somerset Police are asking for help to trace a Frome woman who is missing along with her child.
Kelly Watkins, aged 32, and 21-month-old son Finn were last seen getting on a train in Frome at 10.15am yesterday morning.
Police say Kelly may have told a member of the public she was travelling to Preston to see family.
She is described as white, slim, 5ft 10 and was wearing leggings and a purple cardigan over a tie-dye top. Finn was wearing a babygro and a lightweight green and blue raincoat.
Police say Kelly is vulnerable and are asking anyone who sees her or Finn to call 999.