Russian President Dmitry Medvedev signed into law on Tuesday a bill that grants him authority to impose additional security measures in the event of an increased terrorism threat.
Under the bill, Russia will adopt a color chart similar to that used in the United States. A substantial terrorism threat will be marked by a dark blue indicator, a severe threat by yellow, and a critical threat by red.
The president will decide which measures to take in accordance with a given threat level.
"We need a complex approach to working out preventative measures in the event of a terrorist threat. This will permit measures to be taken in time against terrorism," the bill says.
The move comes a month after Moscow marked the first anniversary of twin suicide bomb attacks in the city's metro and less than three months after a suicide bomb attack at Domodedovo international airport outside the capital.
The combined attacks left 77 people dead and scores wounded and prompted police to tighten security at public transport hubs across the city.
Both incidents were blamed on militants in Russia's North Caucasus, where federal security forces have been fighting an Islamist insurgency for the past decade.
MOSCOW, May 3 (RIA Novosti)