Treasury Board President Jean-Yves Duclos is stepping aside due to illness.
Duclos says in a statement that he felt persistent chest pain over the past several days.
He went to hospital on Sunday and was told he had a pulmonary embolism.
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He says he is home again and feeling well, but his doctor recommended he rest for a few days.
Joyce Murray, the minister of digital government, will assume his duties for now.
Duclos has been the Liberal MP for a Quebec City riding since 2015, and was the minister for social development in the Trudeau government’s first mandate.