The same data networks that enable phone apps and web surfing help drones navigate, so officials are imposing daily, patchwork shutdowns. The actions can be very disruptive to daily life.

Russia has scaled down the festivities honoring its navy citing security concerns as continuing Ukrainian drone attacks posed a challenge the Kremlin.

Russia on Sunday scaled down the festivities honoring its navy citing security concerns as continuing Ukrainian drone attacks posed a challenge to the Kremlin.