An elderly man was threatened with an iron bar as thieves broke into his home and stole cash in Tipps End, near Welney.
Officers are keen to speak to any witnesses or anyone who may have seen any suspicious activity; in particular a dark coloured car driving away from Wisbech Road between 5.10pm and 5.30pm on Thursday January 28.
The man was uninjured.
If you have any information on the robbery, please call Det Con Chris Parnham at King's Lynn CID on 101, contact Crimestoppers anonymously on 0800 555 111 or via their anonymous online form at www.crimestoppers-uk.org.
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