The bodies of at least four Kenyan soldiers slain by Somali Islamic extremists arrived in the Kenyan capital on Monday.
The victims' caskets, draped in Kenyan national flags, were received late Monday at Nairobi's Wilson Airport by defence and army officials who witnessed a military honour guard.
"This is a very sombre moment for the Kenya Defence Forces and I think for the country at large," Kenyan Defence Secretary Raychelle Omamo told reporters at the airport. "As I have indicated to you previously, search, rescue and recovery operations are ongoing, and consequently we expect to receive more of our soldiers in the coming days."
An inter-faith prayer service was performed on the runway.
Kenyan officials haven't said how many soldiers were killed when Islamic extremist fighters attacked a base for African Union peacekeepers in southwestern Somalia on Friday.
Al-Shabab, which claimed responsibility for the attack, said about 100 Kenyans were killed, and that armaments and military vehicles were seized following the attack.
The armed group, which has ties with al-Qaida, opposes Kenya's military involvement in Somalia and describes Kenyan peacekeepers as invaders. Al-Shabab members have carried out many deadly attacks inside Kenyan territory.
Despite being pushed out of Somalia's major towns, al-Shabab continues to launch deadly guerrilla attacks across the Horn of Africa country.
African Union troops, government officials and foreigners are frequently targeted.
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