MADHUBANI, May 11 -- Security arrangements have been strengthened at Balirajgarh excavation site in Madhubani district to ensure uninterrupted excavation work being carried out by the Archaeological Survey of India (ASI) following reports of unwanted intrusion and alleged vandalism, officials said on Monday.

Madhubani SP Yogendra Kumar told Hindustan Times that a dedicated police picket comprising one police officer, two havildars and four constables has been deployed at the excavation site round-the-clock from Monday. ASI officials have also been directed to enforce strict security arrangements at all four entry gates.

The move follows reports that some terracotta artefacts excavated recently had allegedly been disturbed. Kumar rejecte...