The Lithuanian Ministry of Foreign Affairs, on 17 April, received a response to its note of 12 April over safety and security of the staff of the Lithuanian diplomatic representation and their family members in Moscow from the Ministry of Foreign Affairs of the Russian Federation.

On 12 April, the Ministry of Foreign Affairs of Lithuania summoned a representative of the Embassy of the Russian Federation in Lithuania and handed a note over threats posed to the employees of the Lithuanian representation in the Russian Federation and their family members.

On 10 April, the Organization for Economic Co-operation and Development (OECD) published the “Official Development Assistance 2018 – Preliminary Data”.

On 9 April, the Minister of Foreign Affairs of Lithuania Linas Linkevičius received the new Ambassador of Lebanon to Lithuania Reina Charbel and discussed opportunities for closer political and economic cooperation.

On 8 April, the Minister of Foreign Affairs of Lithuania Linas Linkevičius participated in the Foreign Affairs Council in Luxembourg. The Council exchanged views on the Eastern Partnership. Ministers also discussed the future of the Eastern Partnership and reviewed the implementation of the Eastern Partnership's 20 deliverables for 2020.

On 5 April, the Minister of Foreign Affairs of Lithuania Linas Linkevičius visited the U.S. state of Ohio, where he presented opportunities for investment in Lithuania, as well as the country’s economic and political priorities.

On 4 April, at NATO Foreign Ministers meeting in Washington, Minister Linas Linkevičius called for response to the actions of Russia in the Black Sea region and in the area of arms control that are weakening European security. 

On 3 April in Washington, the USA, on the margins of the NATO's 70^th anniversary events, Lithuanian Minister of Foreign Affairs Linas Linkevičius met with Vice Prime Minister for European and Euro-Atlantic Integration of Ukraine Ivana Klympush-Cincadze and Minister of Foreign Affairs of Georgia David Zalkaliani.

On 3 April Lithuania's Foreign Minister Linas Linkevičius participated in the NATO's 70^th anniversary events held in Washington, the USA.

On 1 April, an annual meeting of the Nordic-Baltic-Visegrád Four Foreign Ministers took place in Palanga. The Foreign Ministers discussed security issues, preparations for the upcoming meeting of NATO Foreign Ministers in Washington, D.C., cyber security and hybrid threats, the Eastern Partnership, relations with Russia, Ukraine, and China.