Newtongrange, just before 9pm on Saturday evening and currently remain in attendance. It is understood the road has been locked down by cops as police helicopters circle the area.
Online reports also suggest that a park close to the street has been taped off amid a major emergency response as locals are being urged to remain indoors.
One person tweeted : "Six police vans three cars plain clothes police telling everyone to stay indoors now the police helicopter is circling about the street behind us.
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