CORRIE bosses are on high alert over plans to sabotage next week's historic live episode to mark the soap's 50th anniversary.
Security bosses have picked up intelligence that mischief-makers are preparing to create mayhem outside the studios.
It is understood that plotters reckon it would be a huge coup to ruin the special show next Thursday by:
SETTING off industrial fireworks, including rockets, in a park 100 yards away;
SOUNDING their car horns in adjacent roads to the Granada set; and REVVING motorbike engines when filming is going on.
About 60 actors are involved in the live episode, which deals with the aftermath of next Monday's fatal tram crash that sees three people die.
Last night an insider said: "The live episode will involve scenes both inside and outside of the sets, so any undue noise or things like rockets being set off will be a nightmare.
"A lot is riding on the live episode, people are obviously nervous, so talk of these idiots trying to cause extra headaches doesn't help.
"The roads around the studios are all public so people can't be stopped from being there."
Actresses Michelle Keegan and Katherine Kelly, who play Tina McIntyre and Becky McDonald, have already revealed tensions as the cast prepare for the big night.
It is understood that one big name in the show was given a ticking off at the first get together - when he stumbled through his words.


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