Iranians living in Europe are torn between the hope for a new era and concern for their loved ones

As Israel and Iran trade fire in their most intense confrontation in history, members of the Iranian diaspora in Europe are torn between hopes for change and fears for their loved ones back home.

In Frankfurt, Hamid Nasiri, 45, a product developer at a pharmaceutical company, said he had “mixed feelings” about the fighting, started by Israel on Friday after weeks of tensions over Iran’s nuclear programme.

Like many Iranians in Europe, he sees Israel’s offensive as a chance...