April 17 (Reuters) - EU lawmakers urged world leaders on Monday to hold a summit to find ways to control the development of advanced artificial intelligence (AI) systems such as ChatGPT, saying they were developing faster than expected. The 12 MEPs, all working on EU legislation on the technology, called on U.S. President Joe Biden and European Commission President Ursula von der Leyen to convene the meeting, and said AI firms should be more responsible. The statement came weeks after Twitter owner Elon Musk and more than 1,000 technology figures demanded a six-month pause in the development of systems more...