East ukraine
Pompeo ups pressure on Russia over four MH17 accused
The trial of the four men with military and intelligence links will start in the Netherlands in March next year.
In his first extensive remarks since the confrontation at sea on Sunday, Putin said it had been orchestrated by Kiev as a "provocation".
The confrontation at sea is a dangerous development in the long-running conflict pitting Ukraine against Russia and Russian-backed rebels in the east of the country.
The meeting was requested by both Russia and Ukraine, diplomatic sources told AFP.
There were no immediate clues as to his motive in mounting such an attack, which recalled similar shooting sprees carried out by students in US schools.
Earlier on Saturday, the subway closed its five stations after it received a warning call.
Television footage showed police and parked police cars outside a two story white-and-yellow building in the northeastern city.
In February, a surge of violence around the government-held industrial town of Avdiivka cut off power and water to thousands of civilians on the front line.
Kiev police spokeswoman Oksana Blyshchyk said that at 1905 GMT authorities had received information about a car explosion in the Solomensky district of Kiev.
State-owned Yuzhmash said it had not produced military-grade ballistic missiles since independence from the Soviet Union in 1991.
The Organisation for Security and Cooperation in Europe said the killing was the first death of one of its members while on patrol in Ukraine.
More than 10,000 people have been killed in the conflict between Ukraine and the separatist rebels since 2014.
Ukrainian troops and Russian-backed separatists had appeared to be respecting the new ceasefire attempt on Monday.
The decision will enable people from the conflict-hit region to travel, work or study in Russia.
The reports follow a short lull in fighting in the wake of the deadliest clashes in recent months that have brought global attention.
Ukraine pulled thousands of troops out of the east Ukrainian town of Debaltseve on Wednesday.
A Kiev military source said four Ukrainian soldiers had been killed and 21 wounded.
Fighting raged in eastern Ukraine on Sunday between pro-Russian separatists and Ukranian forces.
Officials said rebels had carried out several small arms attacks on Ukrainian positions in the east.