Lesia Vasylenko
"Ministers float policies to generate headlines before checking if their ideas are even legal,” Labour's Lisa Nandy said.
Boris Johnson's address to the Kyiv parliament wins praise, but there are widespread concerns about delays faced by refugees in the UK waiting for visas.
Missiles have hit Lviv in Ukraine's west while the besieged eastern city of Mariupol is holding out.
Lesia Vasylenko said western leaders will have "blood on their hands" unless they do more to help her country.