Thousands of demonstrators faced off with riot police in Ankara days after the ruling party swept local elections.
Turkish P.M. said he would "enter the lair" of enemies who have accused him of corruption.
Authorities ordered the site shut down after video of military officials discussing action in Syria was leaked.
Issued an injunction five days after a government ban on the site.
Locals continue to tweet via virtual private networks, anonymous web browser Tor and text messages.
Turkish forces say jet was violating their airspace despite warnings.
The split comes as Erdogan is embroiled in a corruption scandal, which could affect critical upcoming elections.
P.M. threatened to 'root out' social media site where wiretapped recordings were leaked.
Two people have died during protests across Turkey prompted by the death on Tuesday of 15-year-old Berkin Elvan, who had been in a coma since being hit by a tear gas canister nine months ago.
Death of boy injured during last year's protests led to new unrest.