It said that, if proved true, the reports would amount to a "blatant violation of recognized norms of international law, valid throughout the world in relation to diplomatic representations".
Mr Zarif dismissed the letter as a propaganda ploy, adding that if a future administration revoked a deal it would amount to a blatant violation of international law.
What matters is that the film, in a blatant way, distills a certain amount of truth into its six minutes of doom and gloom.
This amounts to a "blatant appropriation of property," according to Derk Sauer, a Dutch investor who founded Vedomosti in 1999.
It's the scale of what's envisaged that amounts to a blatant more than a bit of patronage.
Fellow Labour leadership hopeful Liz Kendall said the plans amounted to a blatant political attack on the labour movement.
Other opponents said the governor's plan to install Indian-run casinos amounted to a blatant attempt to circumvent the state Constitution's ban on gambling and slot machines.
The home secretary, Theresa May, has signalled that the UK government had little appetite for imposing punitive measures on Russia, although she acknowledged that Litvinenko's murder amounted to a "blatant and unacceptable" breach of international law.
The lawsuit could be resolved after the election, she said, because the Republicans had not convinced her that too many districts in Newark and Jersey City amounted to a blatant constitutional violation requiring immediate judicial action.
The home secretary, however, signalled that the government had little appetite for imposing punitive measures on Russia, though she acknowledged that Litvinenko's murder amounted to a "blatant and unacceptable" breach of international law.
She repeated claims the EU Withdrawal Bill amounted to a "blatant power grab" on the Scottish Parliament, adding: "We will not allow a Tory government to undermine devolution" But she acknowledged the EU was not perfect, and criticised its response to the police violence in Catalonia during the recent disputed independence referendum.
