Security forces arrested on Sunday five suspected Tajik militants just after they crossed the border from Iran, officials said. The militants were caught after they crossed the border post into Balochistan, a security official added. The militants, holding Tajik passports, were carrying fake Afghan identity cards and literature showing their links to a radical group in Tajikistan, the official said, requesting anonymity. He gave no further details, saying intelligence agencies were interrogating them.Officials said the security forces had in the past few weeks arrested seven suspected foreign militants including three Germans, two Turkish nationals and two from Kyrghyzstan. In March, security agencies captured former Taliban defence minister Mullah Obaidullah Akhund at a hotel in Quetta. Akhund, who has a one-million-dollar US bounty on his head, was functioning as an insurgent commander in southern neighbouring Afghanistan, officials said.