No 10 says the leaders agree reopening the shipping lane is key to ensuring energy market stability.
Steve Reed says there is "no specific assessment" Iran is capable of hitting the UK, after Israel claimed it now could.
PC Bradley Corke, 27, had been critically injured in a collision on Thursday, said Kent Police.
The boss of Centrica says it is "too early" to speculate but if oil costs continue to rise, homes will be hit.
Wes Streeting praises the "Herculean efforts" to protect people from the Kent meningitis outbreak.