Vijayawada, Jan. 5 -- Flames erupted following a gas leak from an ONGC drilling site at Erusumanda village of Malikipuram mandal in Konaseema district on Monday, causing widespread panic in the area, sources in the state-owned oil and gas company said. No casualty has been reported so far, ONGC said.

According to the ONGC sources, the gas leak occurred abruptly when drilling operations were on at the site, followed by discharge of huge flames.

An ONGC release on Monday said the gas leak during the work-over operations at Well Mori 5 was informed by the PEC Operator Deep Industries Limited, for the Mori Field in Andhra Pradesh on Monday.

"The well is located in a remote area with no human habitation within a radius of approximately 500-60...