Ukraine’s gas bill has risen another $838 million, after Kiev failed to make a payment for 1.7 billion cubic meters of Russian gas supplied in the first half of June. “The deadline for paying June bills expired yesterday; we again didn’t receive the money from Naftogaz Ukraine. As a result Ukraine’s debt to Gazprom for the 1.7 billion cubic meters supplied from June 1 through June 16 rose to $5.296 billion