 At the same time, Russian troops in the cities of Argun and Gudermes were also surrounded in their garrisons.Several attempts by the armored columns to rescue the units trapped in Grozny were repelled with heavy Russian casualties (the 276th Motorized Regiment of 900 men suffered 50% casualties in a two-day attempt to reach the city centre).Russian military officials said that more than 200 soldiers had been killed and nearly 800 wounded in five days of fighting, and that an unknown number were missing; Chechens put the number of Russian dead at close to 1,000.