Egypt will double to one kilometer (0.62 mile) the depth of a security buffer zone it is clearing on its border with the Gaza Strip after some of the worst anti-state violence since President Mohamed Mursi was overthrown last year.

Egypt declared a state of emergency in the border area after at least 33 security personnel were killed last month in two
attacks in the Sinai Peninsula, a remote but strategic region bordering Israel, Gaza and the Suez Canal.

It also accelerated plans to create a 500-metre deep buffer strip along the border by clearing houses and trees and
destroying subterranean tunnels it says are used to smuggle arms from Gaza to militants in Sinai. […]