Assertion: convoy | /r/HasProperty | sighted
Facets:
value: twice more
type: DEGREE
value: on the morning of 25 august
type: TEMPORAL
Source sentences:
text: The German surface force at Narvik had been alerted when the convoy was first sighted and on 10 September sailed north to Altafjord to begin Unternehmen Doppelschlag (Operation Double Hit).
text: Later, on the morning of 25 August the convoy was sighted twice more, by U-28 and U-32, but the convoy had been joined by a Sunderland from Coastal Command, and both submerged on sighting the aircraft.