An “angry” man assaulted his partner and two of her friends after becoming frustrated at her infidelity. Edgars Ratnieks, 35, dragged his girlfriend home by the hair after accusing her of cheating on him following a night out. He then proceeded to assault one of her female friends, punching her and causing bleeding, as well as her male partner, also injuring him. At around 4.30am on February 18, police received a 999 call to the incident, and upon their arrival they discovered Ratnieks had also caused damage to a wardrobe in his property. When being interviewed, Ratnieks, of Burney Road in Lyn…