Evidence includes a newly unearthed picture of the convicted double-killer wearing an unusual tie that matches one worn by a man caught on CCTV Jill Dando (Image: Press Association)

Detectives are probing a Serbian assassin over Jill Dando's unsolved murder.

The Metropolitan Police said it is assessing evidence published during a Daily Mirror investigation linking Milorad Ulemek to Jill's 1999 shooting.

This includes a newly unearthed picture of the convicted double-killer wearing an unusual tie that matches one worn by a man caught on CCTV who is still wanted.

The force said: "No unsolved murder is ever closed and detectives are assessing this information to understand whether it's a new and realistic line of enquiry."

Cold case officers are set to examine the raw footage o

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