The BJP today told the Election Commission that its IT cell chief Amit Malviya's tweet on the Karnataka Assembly election dates before the poll panel's announcement was based on a news channel's report and a state Congress office-bearer had also tweeted about it.

A party delegation led by Union minister Mukhtar Abbas Naqvi visited the commission after Chief Election Commissioner O P Rawat termed the leak as "very serious" and promised "stringent action".

Naqvi later told reporters that Malviya should not have tweeted. He said that Malviya's tweet was based on a news channel report and he had no intention to undermine the EC's authority.