<p>Gary Sitton, who was with his son-in-law at the Princess Alexander Hospital in Harlow, Essex, on Monday night, said a nurse was verbally abused after explaining that there were 90 patients waiting to be seen, with a waiting time of 7 hours 30 mins. </p><p>The video has emerged as the NHS continues to come under huge pressure, resulting in delays in A&E departments.</p><p>Credit: @SittonGary Via Twitter</p>