A woman allegedly seen abusing an 8-week-old baby in a video posted on social media was arrested Wednesday in Trenton, police said. Detectives from the Trenton Police Department on Wednesday were made aware of the video, which depicted a woman covering an infant’s face, possibly blocking its airway, speaking in vulgar, derogatory language, and also pushing the child’s head, the department said in a statement. Police said they were contacted by multiple people about the video. Officers were able to identify the woman allegedly seen in the video as Vivian Harrell, of Trenton, and she was arreste…