Qassem Soleimani, Iran's top military commander who was assassinated by the United States, had "the blood of British troops on his hands", United Kingdom Prime Minister Boris Johnson said. Taking questions in a weekly House of Commons session on Wednesday, Johnson threw his support behind Washington as US-Iran tensions soar. More:What's behind the Qassem Soleimani assassination? | Start HereIran fires missiles at US targets in Iraq: All the latest updatesIraqi PM received 'verbal message' from Iran about missile attackEarly on Wednesday, Iran attacked military bases in Iraq housing US troops in retaliation for the recent killing of Soleimani near Baghdad airport, which had been ordered by US President Donald Trump. Johnson said no British personnel were injured in the Iranian attacks, and that the UK was doing "everything we can" to protect its interests in the region. 200104231308260 Johnson alleged Soleimani was involved in arming Yemen's Iran-aligned Houthi movement and Hezbollah. "Most reasonable people would accept the US has a right to protect its bases and personnel." Early on Wednesday, Iran's Islamic Revolutionary Guard Corps (IRGC) launched more than a dozen ballistic missiles targeting at least two Iraqi military bases where US military and coalition personnel were stationed.