Palestinians infuriated at a kidnap and killing they blame on far-right Jews clashed with Israeli police in Jerusalem on Friday.
Protesters threw rocks at police who fired back tear gas and stun grenades. There was no immediate word of casualties or arrests.
Ahead of Abu Khudair's funeral, Israeli police deployed extra forces in Jerusalem and barred men under the age of 50 from al Aqsa mosque complex, the city's most sacred Muslim site.
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Gulf War veteran Paul Briggs' widow, Lindsey, 40, launched legal action to have his life support withdrawn so he could "die with dignity".
Rescue workers are at the site Sunday morning trying to cut open mangled coaches.
Despite chilly temperatures it will be a mostly dry day, and milder than yesterday.