MPs have warned that the Government's moves to tackle irresponsible dog ownership do not go far enough.
Plans to close a loophole which allowed dog owners to escape prosecution if the animal attacked someone in a private property have been announced.
Backed by the Environment, Food and Rural Affairs Select Committee, it said the plans fell short of creating a "comprehensive and effective regime for tackling the increasing problem of out-of-control dogs".
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The Withdrawal Agreement Bill had been expected to be published on Friday and be debated by MPs in the week beginning June 3.
The government said the move was down to increased conflict between humans and elephants, particularly in farming regions.
The much-loved author died following a short illness at her home on Wednesday.