About in last few days circumstance of unidentified explosion sound
findings report
Since March 10, 2019, a few villages and towns of bank of equestrian herd pool, Yi Wen, bank and water of short for the Yihe River produce unidentified detonation many cases sound, window of different place door has the area apparent shake feeling. Know after this circumstance, height of bank bank police station takes seriously, launch investigation instantly, relevant investigation state of affairs is as follows:
1, group of public security of seasonable connection county, county turns small company (unified sale dynamite, executive dynamite blows up) inquiry dynamite buying and selling blows up circumstance, understanding arrives inside bank bank range did not blow up building site.
2, understand via visitting masses, when unidentified sound happens, all the plane has flown, via farther understanding, side of north of field of mountain forest of Linyi city Beijing University, fasten military plane to train area, each army opportunity for combat often flies face here training, suffer headroom air current to affect, plane tail gas forms pulverization to enrage in headroom and produce fulmination, voice of fulmination of this kind of headroom is very gigantic, awaken the deaf, transmission is further. In September 2018 when the portion, 2 opportunity for combat ever were in annihilate of Linyi military region field of Beijing University mountain forest in the sky tail gas fulmination happens in training, can hear inside limits of the county austral short for the Yihe River, public security mechanism is investigated technically at that time.
3, decide accordingly, this unidentified explosion sound should be a plane sonic boom of tail gas happening arises.
Public security bureau of the county austral short for the Yihe River
Bank bank presses down police station
On March 21, 2019
