Staff discovered the body of a newborn baby at a waste management site on Valley Road, in Bradford last night.
West Yorkshire Police said they have "serious concerns" about the health of the baby's mother and have appealed for her to come forward.
More top news
There is no evidence the Westminster attacker Khalid Masood was associated with so-called Islamic State or al Qaeda, the Met Police said.
Janet Ajao said in a statement: "I do not condone his actions nor support the beliefs he held that led to him committing this atrocity."
After the PM triggers Article 50, Britain will need the other EU nations to agree to deals. Gibraltar could be key to Spain's demands.