Four persons were arrested on the charge of using obscene words and misbehaving with a woman health worker and a helper at the Bhatauliya Sub-Health Post of Mahottari on Sunday. Police took into custody Mohamad Sariful, Samin Ansari, Mohamad Ilakat, and Mohamad Isarail of Bhatauliya VDC -9 following a complaint said DSP Lokendra Shrestha. The four had used sexual expletives to scold Auxiliary Nurse Midwife Mamata Thakur and a sweeper Fekani Mallik and misbehaved with them at the health post, DSP Shrestha said. The locals who heard the four using derogatory terms against the health workers secretly informed the police after which a special police team from the District Police Office left for the scene. The four are being tried under the Public Offence Act, according to DPO Mahottari.