Missing Georgia Williams
Georgia Williams, 17, from Wellington in Shropshire has not been seen since Sunday.
Police looking at missing Shropshire girl's Twitter
West Mercia Police have confirmed Georgia Williams' Twitter account has been checked as part of their investigation.
On Sunday evening, the 17-year-old wrote on the site that she had "stuff on [her] mind".
Superintendent Nav Malik said they were speaking to Georgia's family to try and understand its meaning.
"We are aware of that tweet, we're not sure of the significance of it, it would be nice to know.
"We're doing some work with [Georgia's] siblings to try and understand what may have been preoccupying her mind."
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