JERUSALEM, Oct 17 (Reuters) - Web Summit Chief Executive and founder Paddy Cosgrave on Tuesday apologised for comments he made on the Israeli-Hamas conflict that prompted some technology companies and investors to withdraw plans to attend its conference in Portugal next month. Web Summit, one of the world's largest tech conferences, will take place in Lisbon from Nov. 13-16, with attendees from companies such as Meta (META.O) and Microsoft (MSFT.O) to investors such as Atomico. "War crimes are war crimes even when committed by allies, and should be called out for what they are," wrote Cosgrave, who was born in Ireland. Among executives to have cancelled their participation at Web Summit are AI21 Labs' Ori Goshen; Tome's Keith Peiris; Sequoia Capital partner Ravi Gupta; Yinon Costica, co-founder of Israeli cybersecurity unicorn Wiz; and Y Combinator’s Garry Tan, according to LinkedIn and X posts. Philippe Botteri, CEO of tech investor Accel, said in a LinkedIn post on Monday he would no longer speak at Web Summit.

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Persons: Paddy Cosgrave, Cosgrave, I’m, Leo Varadkar's, Israel, Cosgrove, Goshen, Tome's Keith Peiris, Ravi Gupta, Yinon Costica, Y, Garry Tan, Philippe Botteri, Portugal Dor Shapira, Steven Scheer, Supantha Mukherjee, Josephine Mason, Alison Williams, Mark Potter Organizations: Web, Microsoft, Palestinian, Hamas, Irish, AI21 Labs, Sequoia Capital, Thomson Locations: Portugal, Lisbon, Gaza, Israel, Ireland, Jerusalem, Stockholm, London