By Ronald Popeski (Reuters) – Ukrainians needing basic services if Russia knocks out power stations and other facilities this winter can turn to special “invincibility centres,” President Volodymyr Zelenskiy said on Tuesday. Thousands of centres spread across the country will offer electricity, heat, water, internet service, mobile phone connections and a pharmacy, free of charge and around the clock. Russian attacks have knocked out power for long periods to up to 10 million consumers at a time. Ukraine’s national power grid operator said on Tuesday the damage was colossal. “If massive Russia…