The court decision on Najib Abdul Razak's house arrest bid tomorrow will determine whether the jailed ex-prime minister will be able to wield influence like he once did, even after he lost power in the 14th general election.

While some lawyers opined that Najib’s access to visitors and outside contact will be curtailed just as it is in Kajang Prison, others argued the 72-year-old could still impact Umno, of which he was once president.

The ex-Pekan MP will be waiting on a...