Tel Aviv, Oct. 20 -- Israel launched airstrikes in the Gaza Strip and blamed Hamas for what it called a significant Palestinian ambush of its troops, even as trouble-shooters assembled in an effort to keep President Trump's peace plan on track. An Israeli official said American vice president JD Vance was expected to accompany White House mediators Steve Witkoff and Jared Kushner to the region this week. Israeli PM Benjamin Netanyahu's office, accusing Hamas of violating the October 10 ceasefire, said "strong action be taken against terrorist targets in Gaza Strip." Hamas says at least 27 Palestinians have been killed by Israel over the last week.P13...