Officers are growing concerned for the welfare of two teenagers who have gone missing from St Albans.
Torianna, 15, and Renee, 14 were last seen on the afternoon of December 17.
Hertfordshire Constabulary believes they have travelled to London.
Officers are growing increasingly concerned for their welfare.
Police are appealing for the public's help in finding the two teenagers.
Call 999 if you believe you are with them now or have seen them in the last few moments, quoting ISR 652 of 17 December.
Call 101 if you have information about where they have been.
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