At one point, an opponent donned a "Stop Pre" T-shirt to counter fans, dubbed "Pre's People, " wearing "Go Pre" shirts.

CNN: Chasing Prefontaine: The run for a record

The men were arrested by armed officers from the Metropolitan Police's Counter Terrorism Command in a pre-planned, intelligence-led operation.

BBC: Three men held under terror act

Earlier a pre-lunch slump saw Notts lose four wickets for 23 runs before Read and Mullaney counter-attacked after the break.

BBC: Essex halted by Nottinghamshire's Mullaney and Read