India, Sept. 7 -- A lookout notice issued by the Arunachal Pradesh police headquarters (PHQ) led to anti-dam activist Bhanu Tatak being stopped from flying abroad on Sunday, senior officials confirmed.

Immigration authorities at Delhi airport cited the notice while preventing her from boarding a flight to Dublin, where she was scheduled to begin a three-month academic course at Dublin City University on September 9.

Tatak, a legal advisor with the Siang Indigenous Farmer's Forum (SIFF), has been an outspoken critic of mega dam projects in the Siang valley, arguing they endanger indigenous rights and fragile ecosystems.

Inspector general of police (law & order) Chukhu Apa confirmed the existence of the lookout notice but declined to ela...