The courageous intervention of passers-by prevented a sexual assault in Frank street in Dillenburg last Wednesday afternoon. Around 4: 10 p.m., the 28-year-old perpetrator approached his 56-year-old victim. The Somali-born man attacked the woman's chest, who resisted the attack. The attacker knocked her over and pushed her to the ground. Passers-by intervened and detained the 28-year-old until a Dillenburg police patrol arrived.The victim at least didn't suffer any visible injuries. According to the police, the assailant was under the influence of alcohol and drugs. A public prosecutor ordered a blood sample to be taken at the Dillenburg hospital. He was released again after his identity had been established. The police are investigating for sexual assault and harassment.