Ludhiana: The district recorded the highest ever single-day Covid case surge on Wednesday, when 879 residents tested positive. The second highest count (835) was logged on April 17. As per the health department bulletin, seven residents of the district and a patient each of Hoshiarpur, Amritsar and Maharashtra succumbed to the virus. The district casualties included a 65-year-old diabetic man of Kochar Market, an 84-year-old woman of Sarabha Nagar with diabetes and hypertension, a 46-year-old diabetic patient of Sahnewal, a 56-year-old diabetic man of Janta Nagar, a 57-year-old man of Giaspura, a 43-year-old diabetic woman of Vishwakarma Nagar, and a 45-year-old woman of Guru Nanak Nagar with diabetes and hypertension.