A California man has been accused of murdering a beloved Burbank elementary school teacher and injuring her adult daughter. Sergio Fraire, 30, was arrested this week after a SWAT team swarmed his Burbank home. He is accused of fatally stabbing Arti Varma, 59, and injuring her 25-year-old daughter, Meera, on Monday. He has been charged with special circumstances murder, attempted murder , and first-degree residential burglary. Fraire pleaded not guilty on Thursday and is being held without bail, the Los Angeles Times reports. Varma, a beloved teacher at Bret Harte Elementary School, died from her wounds on Monday. Her daughter is still recovering in the hospital. Police have not announced a direct connection between Fraire and Varma outside of the alleged murder, but noted that Fraire's sister worked in a program at the same school where Varma taught. Arti Varma, 59, was fatally stabbed in her Burbank home on April 20.…