Gavin Grey: UK correspondent on UK authorities investigating whether arson attacks linked to hostile state - Heather du Plessis-Allan Drive

Authorities are investigating whether the arson attacks on two properties linked to Keir Starmer are connected to 'hostile state involvement'.

Police are also investigating whether a suspected attack at another North London property linked to the Prime Minister 24 hours earlier is also connected. 

A car fire on the same street as Starmer's family home is also under investigation.

UK correspondent Gavin Grey says it's unknown where the 'hostile state' is - but Iran is a prime suspect.

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