Guwahati, Aug. 27 -- Dhubri police in Assam on Wednesday arrested a teacher at Lakhimari Middle School, for alleged links with Bangladesh-based jihadi organizations, including Jamaat-e-Islami (JeI).

The accused has been identified as Shah Alam Sarkar.

The arrest has shaken the border district, raising fears of extremist infiltration in lower Assam's sensitive Muslim-majority areas.

Sarkar, a resident of Lakhimari village near the international border, is being interrogated to uncover his suspected role in recruitment, propaganda and logistical support for cross-border radicals.

Investigators are also scrutinising the history of Lakhimari Middle School.

Formerly known as Lakhimari Pre ME Madrasa, the institution was converted into a r...