Global News 7/11/19 – US prepares to arrest thousands of migrant families, Trump threatens new 'substantially' increased sanctions on Iran, and Iranian boats blocked British tanker in Strait of Hormuz

An Immigration and Customs Enforcement agent as deportations were being carried out in November in Houston. Credit David J. Phillip/Associated Press

An Immigration and Customs Enforcement agent as deportations were being carried out in November in Houston. Credit David J. Phillip/Associated Press

In this Thursday’s edition of Global News, the US prepares to arrest thousands of immigrant family members on Sunday; Trump threatens new sanctions on Iran but is rebuffed by other signatories in Vienna; Iranian boats tried to block British tanker in the Strait of Hormuz; France moves to tax tech giants, prompting US response; and new investigations into Syrian chemical weapons begins.