ITV News correspondent Dan Rivers tweeted:
CNN/Al Jaz off air in Thailand - standard move from the army during a coup, seem to remember same happened in 2006
More top news
Two-year-old Casper Platt-May and his six-year-old brother Corey died in the crash in Coventry on Thursday.
It means the petition, calling for a diverse panel to be appointed to the inquiry, has enough signatures to spark a debate in Parliament.
American businesses have begun severing ties with controversial pro-gun group the NRA in the wake of the latest mass school shooting.