The spokesman said floodwater had also been found in the underground tunnel that carries the no. 1 train to South Ferry at the tip of Manhattan, one of the low-lying stations about which officials had been most concerned because of the chance for flooding.

FORBES: UPDATED: Rat Invasion? Will Subway Rodents Move Into Flooded NYC Neighborhoods?

Ferry companies, train operators and airlines would be asked to carry out pre-entry checks on pets but would not be compelled to carry animals under the new system.

BBC: News | UK Politics | Pets win passports