* Astronomy

Indian authorities have ordered an investigation by scientists into a mysterious explosion of `rocks and spewing of debris` from the cliffs of Kondaiketti hill, about 200 km from Chennai, on the Tamil Nadu-Kerala Border in Kanyakumari district that occurred around midnight on May 25.

According to revenue officials quoting the residents of Amburi, Thekkuparai, Shenbagaparai, Mayam, Kootappu, Arugani Hill, the cliff started exploding like a volcano and spewed debris all over.

The officials said similar explosion/eruption took place in November 2000 also leading to landslips in Amburi when 38 people were buried alive

Source