EMBED >More News Videos Train horn makes for sleepless night in Upper Merion: Tamala Edwards reports during Action News Mornings on March 12, 2018.

EMBED >More News Videos RAW VIDEO: Hear the train horn that kept some Upper Merion residents awake for hours on March 12, 2018.

Some hilarious tweets from an Upper Merion resident who dealt with the non-stop blaring of a train horn through the night. This is just one of them, do check out her feed to see the rest! https://t.co/52nhy5Yfr2 — Matt O'Donnell (@matt_odonnell) March 12, 2018

UPPER MERION, Pa. (WPVI) -- It was a relatively sleepless night for some residents in Upper Merion, Montgomery County after a train horn sounded for three hours straight.Residents started complaining about the noise around 11 p.m. Sunday.Action News is told the blaring horn didn't fall silent until 2:30 a.m. Monday.Police said the train, located at North Henderson Road and Hamlet Drive, belongs to Norfolk Southern.Norfolk Southern released a statement Monday morning in response to inquiries from Action News apologizing to residents for the incident.The statement explained that a mechanical valve on the horn had frozen up, and that it took time for a mechanic to access the device and disable it.Here is the full statement:------