The European Union (EU) Election Observation Mission said it was aware of el-Rufai’s threat.
The EU said its personnel were in Nigeria’ to monitor the election at the instance of the Independent National Electoral (INEC).
Based on the governor’s comment, the EU said that it would review the security of its personnel in the country According to the EU, its involvement in election monitoring in Nigeria dated back to 1999 on the invitation of INEC.
EU said: “We are aware of the comments by the governor of Kaduna State about non-interference by foreigners during a talk show on the elections Tuesday, 5th February.
“The EU only deploys an election observation mission when it is invited to do so by the authorities of a country.
The EU has been invited to observe all of the general elections in Nigeria since 1999. Thus this is the sixth time the EU is observing elections in Nigeria.
“The Independent National Electoral Commission invited the EU to deploy an observation mission for the 2019 general elections.
“EU election observation missions give commentary and analysis, and make recommendations about the electoral process.
EU election observation missions are impartial, do not interfere in the electoral process, and operate according to a strict code of conduct.”
It promised to review the security of its observers ahead of the election. “While the security of EU observers is of paramount importance, and will remain under constant review, EU observers will continue their work across the country in the run-up to – and beyond – the 16 February elections,” EU said.