If Mr. Harris were to recant his story, that would be a grave blow to Mr. Tankleff.
But he cautioned that "despite this grave blow" to ETA, "we continue on maximum alert."
The death of Fahd appeared at the time to be a grave blow to the Iraqi communist movement.
The missile defense system is extremely popular in Delta Junction, where the short-term closing of Fort Greeley struck a grave blow to the economy.
The Decian persecution was a grave blow to the Church.
This was a grave blow to the evidence for the gene defect on chromosome 11.
The end of the Warsaw Pact alliance and the loss of Third World markets were grave blows to the defence industry.
Your defeat, Vice-President, was a grave blow.
"The loss of Ambassador Wrothwax is a grave blow to the Corps," Magnan said.