However, no member of the Pinto family, which runs the chain of schools, was quizzed today by the sleuths from Haryana, police said.
The two policemen, one of whom is an inspector-level officer, and some officials from the city police, arrived at the school in Kandivali that serves as the headquarters of the Ryan International Group of Institutions around 12.30 pm.
The questioning continued till 7.30 pm, a senior police official said.
"The Haryana police officers questioned the school staff in connection with the murder of a boy in Gurugram. The Mumbai Police was not part of the investigation...As per our information, no member of the Pinto family was questioned today," Vinaykumar Rathod, DCP Zone XII, told PTI.
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Meanwhile, the Bombay High Court today granted interim protection from arrest to the group's founding chairman, Augustine Pinto, and the manging director, Grace Pinto, till tomorrow in connection with the killing of the boy.
They had yesterday approached the high court seeking anticipatory bail apprehending arrest in the case.