The League of Extraordinary Gentlemen1989

Captain Nemo:
Ishmael, if one of them approaches Blackfriar's bridge, try to put a round beneath its canopy. Failing that, collapse the bridge.

Ishmael:
Aye aye, sir.

Edward Hyde:
Collapse the bridge? With all those innocent lives? Ohhh, Nemo!

Captain Nemo:
Do not mock me, horror. The Thames is London's moat now and whatever measures are necessary to contain our problem south of the river, those measures will be taken.

Edward Hyde:
Huh. Goodbye South London, then.

Captain Nemo:
Possibly. If we are fortunate, there are no more cannisters to come. Those creatures already here can only destroy so much. As for the population, hopefully they can escape in time. If not, it is hardly a major strategic loss. They are only...

Edward Hyde:
Human?

Captain Nemo:
English.