sina v. Italy (no. 2) (dec.), no. 25498/94, ECHR 1999-V, quoted with approval by the Grand Chamber in Ramirez Sanchez v. France, cited above, § 12; Ocalan v. Turkey [GC], no. 46221/99, § 191, ECHR 2005-IV). In many States Parties to the Convention more stringent security measures, which are intended t