A man claiming to be the uncle of baby Phoebe, who was born on a commuter train from London Victoria to Kent yesterday evening, has tweeted to say his niece is "well and safe."
#skypapers baby phoebe is well and safe now mum and dad are enjoying the birth of there daughter and am i as im now a uncle for the 2nd time
More top news
It comes after security was stepped up around the country following the Manchester Arena attack which killed 22 people.
The distress signal sparked a police hunt in the area to find the person or group who made it.
The seven-month-old baby girl is believed to have been left in a car in Co Tipperary for several hours.