 Complete the following phrase:  Another controversy was the use of tank cannons, portable flamethrowers, and other weapons such as grenade launchers in Beslan, North Ossetia. On 3 September 2004, the local school was taken over by Chechen-led militants from Ingushetia, and was subsequently raided by the heavily armed FSB special forces of Alpha and Vympel. The operation was overseen by the head of the Special Purpose Center, Gen. Alexander Tikhonov, who forbade extinguishing the fire in the school, while the actual attack was personally led by Gen. Pronichev, and supported by tanks, armoured personnel carriers and attack helicopters. John McAleese, a member of the Special Air Service SAS team which had 