Upon learning of the plan, many neighborhood and environmental groups expressed praise for the city's approach.

His mother ran away from the institute upon learning of her pregnancy.

But I've sent it off today upon learning of what you did.

However, they held back their forces upon learning of the King's arrival also.

Most women left upon learning of the deception, but some stayed.

Upon learning of his father's shooting days before the outbreak, he is devastated.

Upon learning of his visit, she instantly went to greet him.

Upon learning of the change she stood transfixed in shock.

Upon learning of his death, the bank withdrew its support for the production, which was then postponed.

Upon learning of their affair, she schemes to drive them apart.