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A fighter of the Islamic State holds an Isil flag and weapon Reuters

The Islamic State (Isis) has executed four journalists in Iraq's second city of Mosul, according to DPA press agency.

Militants from the group handed over four bodies to medical authorities in the city on Tuesday (4 November), local residents told the German news agency.

The four were thought to be among 12 reporters that were kidnapped by the militant coalition in October.

Fighters from the group have previously executed a number of Western and Middle Eastern journalists, including Americans James Foley and Steven Sotloff, as part of their campaign of intimidation.

The extremists captured and secured Iraq's northern city of Mosul in the summer, after a lightning attack that caused Iraq's national security forces to flee the city.