Libyan leader Mustafa Abdel Jalil expressed confidence Monday that Algeria would not shelter anyone who poses a threat to his country, in a reference to Moamer Kadhafi's family members who were granted asylum by Algiers.
"We appreciate the humanitarian position of Algeria for hosting the families, including women and children, but we are convinced that it would not shelter those who represent a threat for Libya's security," said Abdel Jalil after meeting Algeria's President Abdelaziz Bouteflika.
"We agreed that what constitutes a threat for Libya through financing or through subversion would not have a place in the Algerian territory," added the Libyan leader during an official visit to Algeria.
Several of Kadhafi's family members, including his daughter Aisha, her brothers Mohammed and Hannibal, and Kadhafi's widow Safiya, fled to Algeria in late August.
Algeria has twice rapped Aisha for calling on Libyans to revolt against the transitional council which overthrew her father.
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Rather, he underlined the "deep historic relations" between the two countries.
Beyond the Kadhafi family, Libyan and Algerian officials also agreed to cooperate on security issues and fight extremism, a joint statement quoted by APS news agency said.
The cooperation will include the fight against organised crime, arms and drug trafficking, clandestine migration and smuggling.
Sharing a 1,000-kilometre (620-mile) border they also vowed not to threaten the neighbour's security as the region finds itself at the crossroads of arms trafficking.
In late March the interior ministries of Algeria and Libya signed a deal that provides for joint border controls and an exchange of security intelligence.
Abdel Jalil and Bouteflika also insisted on "serious and efficient cooperation" in the energy sector, industry, trade and investment.
On Syria they agreed on "joint Arab action" to solve the country's political crisis and said the peace plan submitted by UN-Arab League mediator Kofi Annan should be given a chance.