Increased enforcement and Border Patrol deployments have pushed illegal entrants to attempt crossings in more remote and hazardous areas.

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The BBC has also received reports of civilians fleeing remote areas in Borno State and arriving in towns on the border with Cameroon.

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The Pakistan fatalities occurred in the remote areas of Mashkeel and Panjgur, in the western province of Baluchistan, close to the Iranian border.

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