Ekaterina Zaharieva told reporters the plane had all necessary permits to fly over Iran en route to Riyadh late on Tuesday but once it entered Iranian airspace it was asked by Iranian authorities to leave.
Iranian President Hassan Rohani has accused Saudi Arabia of trying to distract attention from Riyadh's "failures" at home and overseas by vilifying Iran as the alleged culprit behind conflicts in the Middle East.
Borisov was due to be received on Wednesday by King Salman and by the powerful Crown Prince Mohammed bin Salman, under whom relations with Iran have deteriorated dramatically.
President Kovind to visit W.Bengal, Mizoram and Nagaland
He would inaugurate the Housing for the Poor Project at a function in the Raj Bhavan, the officials said. Mr Kovind is on a two-day visit to the state from Tuesday, his first since assuming office.
"Amnesty International calls on Greece to immediately rescind the sale and transfer of military equipment to Saudi Arabia and to refuse approval of the transport of every type of conventional weapons, ammunitions and war materiel to points of conflict in Yemen", a statement said.
On a visit to the same countries in April, Mrs May said deep and effective cooperatio with the Gulf leaderships was a top priority for her government.
Saudi Arabia accuses Iran of arming Houthi rebels in Yemen and blamed it for a missile attack north of its capital earlier in November.
EA says why Battlefront 2 loot boxes didn't focus on cosmetics
EA attempted to downplay the system but hours before launch they pulled the plug on microtransactions , at least temporarily . Some people have more money than time, and some people have more time than money, and you want to always balance those two.
Mrs May has faced repeated calls to suspend arms sales following claims of breaches of global law in Yemen under the Saudi-led coalition bombing campaign.
Mrs May said: "We have already seen some changes taking place in Saudi Arabia, for example women being allowed to drive". "It's in their security interests but also in ours".
The Prime Minister said she will also continue to support Saudi Arabia's social reform programme - Vision 2030. The following day, she'll meet with King Abdullah of Jordan and Prime Minister Hani Mulki in Amman to discuss how the United Kingdom can support the country's economic resilience.
Trump shares 'Muslim crimes' videos tweeted by Britain First deputy leader
One of the videos was shared by Ann Coulter, a US conservative commentator whom Mr Trump follows on twitter. A tweet from Fransen's account, which is verified by Twitter, appeared to celebrate the retweets.
"We are very clear that we want to see full humanitarian and commercial access through the port of Hodeida", May said. "So they want to cover up their defeats".