US President Barack Obama invited Azerbaijani President Ilham Aliyev to attend 4th Nuclear Security Summit in Washington, D.C. in March 2016, Novruz Mammadov, deputy head of Azerbaijani presidential administration, chief of the administration’s foreign relations department, tweeted Jan.6.

The summit will be held in Washington, DC from March 31 to April 1, 2016. The first Nuclear Security Summit was held in Washington in 2010, the second – in Seoul in 2012, the third – in the Hague in 2014.

Mammadov said Obama sent a letter to Ilham Aliyev Dec. 3, adding that in the letter that Obama said Azerbaijan has demonstrated steadfast support of the global nuclear security architecture.

The US president also expressed hope that Azerbaijan will continue to prioritize efforts to interdict nuclear and radiological materials, said Mammadov.