Ionut-Cristian Bold, 37, allegedly smeared a substance on a number of premises in the Golders Green area between 4 and 11 September

The Metropolitan Police launched an investigation after seven Jewish premises in Barnet, North London, were targeted in separate incidents over recent weeks.

A 37-year-old has been detained on suspicion of having smeared bodily fluids on four synagogues and a house in Barnet