Fake emergency broadcast attributed to Putin declaring martial law aired in areas of Russia bordering Ukraine

A purported radio address by President Vladimir Putin heard on Russian stations in regions bordering Ukraine was fake and the result of a hack.
Kremlin denies emergency broadcast from Putin declaring martial law on Monday
Messages were reportedly aired on TV and radio stations in areas of Russia bordering Ukraine
The fake address announced a national military mobilization and said that Kyiv’s armed forces had invaded Russia
Kremlin spokesman Dmitry Peskov called the messages an "utter fake"