Tanzanian authorities arrest dozens of people ahead of planned anti-government protests, according to multiple reports. The arrests are described as part of a broader crackdown on dissent following a ban on demonstrations. One outlet reports that the number of detainees reaches 130, suggesting the operation is expanding beyond initial arrests. Another report characterizes the situation as arrests of “dozens” in advance of the protests, indicating that security forces are detaining potential participants before planned gatherings take place. The sources present the arrests as pre-emptive steps by authorities to prevent anti-government demonstrations. Details on the specific locations, charges, or identities of those detained are not provided in the available excerpts, but the reporting consistently links the detentions to the protest plans and the wider effort to curb opposition activity after the protest ban. The reports do not describe any resulting injuries or official statements in the provided text.