Tel Aviv, Oct. 6 -- Israel's Foreign Ministry on Sunday flatly rejected claims that Greta Thunberg and other activists detained from the Gaza-bound flotilla were being mistreated in prison, calling the reports "brazen lies" and insisting that "all the detainees' legal rights are fully upheld."

The ministry said Thunberg "did not complain to the Israeli authorities about any of these ludicrous and baseless allegations--because they never occurred." It added that she and other detainees had refused to accept fast-track deportation offers, choosing instead to "prolong their stay in custody."

Israeli forces intercepted the Global Sumud Flotilla on Friday as its more than 40 boats attempted to breach the naval blockade on Gaza. Around 450 pe...