Millions suffered in sweltering heat as most areas were left without electricity for up to eight hours from 2:00pm.
Umno president Ahmad Zahid Hamidi also directed state liaison chiefs to submit names of potential candidates within the next few days.
The leaks raised concerns about the security arrangements at the PM House, which is otherwise considered a highly secure place.
The tragedy has sparked anger among the public, particularly over the police’s decision to fire tear gas inside a stadium.
The prime minister said Imran was "injecting poison into society to dangerously polarise the electorate'" since his ouster in April.
State Congress spokesperson Naresh Chauhan said that the manner in which the state government and police were functioning was totally anti-media.
Former Constitutional Court chief justice Jimly Asshiddique said the House did not have the authority to dismiss a sitting justice.
Officials preparing an integrated security plan said intra-party and inter-party rifts were bigger challenges, as compared to armed groups in previous years.
The incident unfolded when fans of home team Arema FC stormed the pitch after their loss 3-2 to bitter rivals Persebaya Surabaya.
Just days after the Umno supreme council decided that Parliament must be dissolved this year, the Prime Minister will be at a special meeting with Umno division leaders.