"AAP states with full responsibility that this attacker was in touch with the BJP, particularly with a leader of Delhi unit. The call records of this attacker should immediately be looked into by the Delhi Police and it will be crystal clear in a minute with whom this hoodlum was in touch.
"It will be better for the BJP to voluntarily disclose its link with the attacker and its paid front - the so called Aam Aadmi Sena," the party said in a statement.
"Whether it was stage managed or a real protest, hurling shoe on CM is wrong. But Kejriwal must realise anguish of Delhites ag #OddEven scam," Upadhyay tweeted.
Delhi Culture Minister Kapil Mishra demanded that Ved Prakash's call records should be probed.
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"Call details of Ved Prakash should be probed. He called a BJP Delhi leader right before attacking," Mishra tweeted.
Sources said, after the attack Ved Prakash's phone was checked by party volunteers and Delhi government officials.
The AAP accused the BJP of conspiring to divert attention from the real "pro-people agenda" of the government.
"The irrelevant opposition in Delhi, particularly the BJP, is jealous of the popularity of the AAP government.
"BJP needs to understand that its frustrated attempts will not succeed in Delhi and it should fight the AAP government politically rather than stooping to such shameful levels," he said.
AAP leader Kumar Vishwas said this shows frustration of rival parties ahead of Punjab polls.
A shoe was hurled at Kejriwal at a press conference here by a man who claimed to be from a breakaway group of AAP.
The shoe did not hit Kejriwal as an official quickly shielded him and caught the missile.
The attacker, identified as Ved Prakash, said he is the general secretary of Aam Aadmi Sena and was angry with the Chief Minister for not taking action against those involved in alleged irregularities in distribution of CNG stickers.