Moscow carefully studies the information on the escalation in Nagorno Karabakh, a spokesperson for the Russian Foreign Ministry, Maria Zkharova said, according to RIA.

On the night of April 1-2, Azerbaijani armed forces initiated overt offensive operations in the southern, southeastern and northeastern directions of the line of contact with Nagorno Karabakh, using artillery, armored fighting vehicles and air force equipment among other weapons.

Aside from the battles on the frontline, the rival has also carried out artillery strikes on civilian settlements and places of permanent deployment of several military units.

On April 2, at around 8:30 am, the rival used BM-21 Grad multiple rocket launcher in the Martuni direction of the contact line. 12-year-old Vaghinak Grigoryan was killed in the shelling, two more children were wounded.