A UK court has ruled that British-based pharmacist Ajith Kumar Mupparapu can be extradited to India to face trial over alleged murder and conspiracy plots targeting his estranged wife's family.

Palestine Action co-founder Huda Ammori has secured Supreme Court permission to challenge the group's terror designation, coinciding with 77 arrests.

Prosecutors presented video evidence during a hearing for Joshua Kerry, who is accused of the fatal attack on former minister Ann Widdecombe. Authorities continue to investigate the motive for the killing.