A major flood in the city of Orsk that forced several thousand people to evacuate after a dam burst has created a “critical” situation, Emergency Situations Minister Alexander Kurenkov said on Sunday. “A critical situation has developed in the city of Orsk” in the southern Urals close to the border with Kazakhstan, he said from the city of 200,000 people. More than 4,500 homes have been flooded and more than 4,000 people evacuated from Orsk to temporary housing centers, Kurenkov said. Images diffused on the Telegram messaging app showed the minister on a small boat surrounded by members of the…