Officials in Chechnya 's Moscow-backed government are a frequent target for rebels , and tension is running high ahead of Sunday 's presidential election in the war-ravaged region .
Chechen officials working for the Moscow-backed government are a frequent target for rebels and tension is running high ahead of next Sunday 's presidential election in war-torn Chechnya .
• signal that transports traffic across the network on cable or fiber. - signaling, cabling, connectors - not protocols