India, May 3 -- Shiv Sena (UBT) leader Sanjay Raut on Saturday launched a scathing attack on Prime Minister Narendra Modi for campaigning in Bihar and attending the WAVES Summit in Mumbai while the Centre was gearing up to respond to Pakistan in the aftermath of the Pahalgam terror attack.

Sanjay Raut also sought Union home minister Amit Shah's resignation for a "security lapse", news agency PTI reported.

Terrorists gunned down 26 people, mostly tourists, in Baisaran near Jammu and Kashmir's Pahalgam on April 22.

The Sena UBT leader told reporters, "A big massacre took place in Kashmir. Our Prime Minister said Pakistan would be taught a lesson, but just days later, he was in Mumbai, spending nine hours with Bollywood celebrities. He al...