Portugal has barely recovered from last week's battering by rain and winds that killed five people, injured hundreds and left tens of thousands without power.
Facing questions about whether he could remain in power, Starmer detailed his government's priorities, before adding: "I intend to go on doing that vital work".
It was a founding member of the alliance that organised a vigil to mark Beijing's deadly crackdown on demonstrators in Tiananmen Square in 1989, but those events have been banned since 2020.