Ukraine and Russia failed to hold expected talks on a gas pricing dispute this morning, despite a deadline for Kiev to pay a $1.95 billion debt by Monday or have its gas supplies cut off.
Russian decision to stop deliveries to Kiev could disrupt the gas flow to the European Union, which receives its energy via Ukraine.
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Two-year-old Casper Platt-May and his six-year-old brother Corey died in the crash in Coventry on Thursday.
It means the petition, calling for a diverse panel to be appointed to the inquiry, has enough signatures to spark a debate in Parliament.
American businesses have begun severing ties with controversial pro-gun group the NRA in the wake of the latest mass school shooting.