Assertion: heavy water's hydrogen | /r/HasSubevent | explosion
Facets:
value: inside the reactor buildings
type: LOCATION
value: in units
type: LOCATION
value: in 4 that
type: TEMPORAL
Source sentences:
text: Hydrogen was released from the reactor pressure vessels, leading to explosions inside the reactor buildings in units 1, 3 and 4 that damaged structures and equipment and injured personnel.