A 37-year-old speech-impaired widow was allegedly raped by two home guards posted at a Circle Office in Godda district.
Experts said air pollution will start rising from October 15 when the wind speed reduces and the minimum temperature falls, resulting in a haze.
Chiragh-ud-din Ansari, 45, and Murtaza Ansari, 30, were lynched at Dhullu village in Godda early Wednesday morning after being allegedly caught with stolen cattle.
Police said villagers intercepted five thieves with stolen cattle but three managed to escape.
The #Metoo moment is also prompting re-examination of past sexual misconduct claims against powerful men, including Democratic former President Bill Clinton in the 1990s.