The police said it was intensifying efforts to locate the injured, for possible arrest and prosecution.
The police command in Zamfara has banned the unauthorised installation of cyber networks to complement the current security measures to tackle bandits.
CAN said they were expecting and praying the bandits would release the remaining 21 students soon.
28 students regained their freedom on Saturday night while 81 others are still in captivity.
The police on Thursday confirmed the escape of two of the abducted students of Bethel Baptist High School, Maraban Damishi, in the Chikun local government area.
The UN has raised the alarm over protracted schoolchildren kidnapping in Nigeria, noting that it is disturbing.
Police spokesman in Kaduna told The Gazette that a joint security force has now cleared the highway for free movement.
“Two locals who were injured in the exchange, were evacuated for medical attention.”
The bandits killed two volunteers, burnt a church and looted some houses in the area.
The move is coming even as the abductors had vowed to kill the students if their terms were not met latest by Tuesday May 4.
