As tens of thousands of tributes poured in from across the nation for the PC Fiona Bone and PC Nicola Hughes, more than one Facebook page was set up in praise of the suspect held by police.
One was titled Dale Cregan OBE, with internet "trolls" posting messages claiming the suspected killer was a "hero".
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A 13-year-old girl has died in the US after allegedly being shot by her nine-year-old brother in an argument over a video game controller.
A statement from McPartlin's publicist confirmed that this week's Saturday Night Takeaway will no longer run.