Oct 25 (Reuters) - BlackRock Inc has raised $4.5 billion out of an overall $7.5 billion-target for a new fund to invest in infrastructure assets aimed at climate-focused projects, the world's largest asset manager said on Tuesday.

The asset manager said the new fund will invest in five sectors –– energy, low carbon power, transport and logistics, regulated utilities, and digital infrastructure –– to capitalize on the growing trend towards decarbonization and digitalization.