Did Iran hack water systems in seven US states?

While US President Donald Trump has said Iran is not to blame, cyber experts tell the BBC it likely the attack was at the hands of the Iran.

The FBI has issued an urgent warning after hackers targeted municipal water systems in at least seven states over the past week, prompting concerns about the vulnerability of critical water infrastructure across the nation.

Michigan joined Minnesota in announcing cyberattacks on its state water supply, saying nine systems were the target of attacks that intelligence officials have blamed on Iran.

The FBI has issued a warning after water facilities from seven states reported that they were hacked.